WO2023181958A1 - 発光素子及びその製造方法、発光性化合物及びその製造方法、組成物及びその製造方法、情報処理方法、情報処理装置、プログラム、発光性化合物の提供方法、並びにデータ生成方法 - Google Patents
発光素子及びその製造方法、発光性化合物及びその製造方法、組成物及びその製造方法、情報処理方法、情報処理装置、プログラム、発光性化合物の提供方法、並びにデータ生成方法 Download PDFInfo
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Definitions
- the present invention relates to a light-emitting element and a method of manufacturing the same, a luminescent compound and a method of manufacturing the same, a composition and a method of manufacturing the same, an information processing method, an information processing device, a program, a method of providing a luminescent compound, and a data generation method.
- organic EL elements organic EL elements
- An organic EL element is manufactured by applying a voltage to a pair of electrodes with an organic compound layer containing a luminescent material sandwiched between them, whereby electrons and holes injected from the electrodes recombine to bring the luminescent substance into an excited state. emits light when it returns to its ground state.
- BACKGROUND OF THE INVENTION Since the light-emitting properties of light-emitting substances used in light-emitting elements vary depending on the light-emitting substance used in the light-emitting element, research and development on light-emitting substances having good light-emitting properties is progressing.
- MI materials informatics
- the main purpose of the present disclosure is to provide an information processing method etc. that can efficiently obtain compounds that can have good properties.
- a light-emitting element includes an anode, a cathode, and a light-emitting layer provided between the anode and the cathode, wherein the light-emitting layer is Contains a luminescent compound that satisfies SpDiam_A of 5.0 or more, AATSC2c of 0.003 or less, MATS5s of 0.17 or less, GATS6c of 0.6 or more, and AETA_beta of 1.6 or less.
- the luminescent compound according to one embodiment of the present disclosure has a molecular descriptor SpDiam_A of 5.0 or more, AATSC2c of 0.003 or less, MATS5s of 0.17 or less, GATS6c of 0.6 or more, and AETA_beta of 1 .6 or less.
- a composition according to one aspect of the present disclosure is selected from the group consisting of the above-mentioned luminescent compound, a hole transport material, a hole injection material, an electron transport material, an electron injection material, a luminescent material, an antioxidant, and a solvent. Contains at least one kind.
- a method for producing a luminescent compound according to one aspect of the present disclosure includes a preparation step of preparing a plurality of compounds, and an extraction step of extracting a luminescent compound from the plurality of compounds obtained in the preparation step,
- the molecular descriptor SpDiam_A by mordred is 5.0 or more
- AATSC2c is 0.003 or less
- MATS5s is 0.17 or less
- GATS6c is 0.6 or more
- AETA_beta is 1.6 or less
- AATSC3s is -0.
- a luminescent compound satisfying at least one condition is extracted.
- a method for producing a luminescent compound according to one aspect of the present disclosure includes a preparation step of preparing a plurality of compounds, and a luminescent compound whose half-value width of an emission spectrum is less than a predetermined value from the plurality of compounds obtained in the preparation step.
- an extraction step of extracting the compound in the extraction step, the molecular descriptor SpDiam_A by mordred is 5.0 or more, AATSC2c is 0.003 or less, MATS5s is 0.17 or less, GATS6c is 0.6 or more, AETA_beta is 1.6 or less, AATSC3s is -0.2 or more and 0.5 or less, C3SP2 is 0 or more and 30 or less, AETA_beta_s is 0.5 or more and 1.0 or less, SlogP_VSA5 is 0 or more and 400 or less, n5aRing is 0 or more and 10 or less. , and a luminescent compound whose n6ARing satisfies at least one of 0 or more and 10 or less is extracted.
- a method for producing a composition according to one embodiment of the present disclosure includes a luminescent compound produced by any of the production methods described above, a hole transport material, a hole injection material, an electron transport material, an electron injection material, a luminescent material. , and at least one selected from the group consisting of an antioxidant and a solvent.
- a method for manufacturing a light-emitting element is a method for manufacturing a light-emitting element, comprising an anode, a cathode, and a light-emitting layer provided between the anode and the cathode, the method comprising: The method includes a step of forming the light-emitting layer using a light-emitting compound produced by the above production method.
- An information processing method acquires spectral indices obtained by quantum chemical calculation for a plurality of candidate compounds, and based on the acquired spectral indices, selects each compound whose spectral index satisfies a predetermined condition. and a group in which the spectral index does not satisfy a predetermined condition, and extracts the luminescent compounds classified into the group in which the spectral index satisfies the predetermined condition.
- a method for producing a luminescent compound according to one embodiment of the present disclosure includes a step of extracting a luminescent compound by the above-described information processing method, and a step of obtaining the extracted luminescent compound.
- An information processing method generates a plurality of candidate compounds, obtains a value for each molecular descriptor of each generated compound, and inputs the value of the molecular descriptor of the compound.
- the obtained molecular descriptor values of each compound are input to a model trained to output the spectral index of the compound to identify the spectral index, and the identified spectral index satisfies the predetermined conditions. Extract.
- a method for producing a luminescent compound according to one embodiment of the present disclosure includes a step of extracting a luminescent compound by the above-described information processing method, and a step of obtaining the extracted luminescent compound.
- a method for providing a luminescent compound provides a method for providing a spectral index of a compound when inputting the value of a molecular descriptor of a compound extracted from a plurality of candidate compounds generated by a computer.
- a luminescent compound whose spectral index specified using the model learned to output satisfies a predetermined condition is output.
- a data generation method stores a plurality of candidate compounds generated by a computer and a spectral index calculated by quantum chemical calculation for each compound in association with each other, and The value for each molecular descriptor is further associated with each compound and stored.
- An information processing method acquires conditions for desired properties of a compound, generates a plurality of candidate compounds by computer, acquires a value for each molecular descriptor of each generated compound, Using a model that has been trained to output the characteristics of a compound when the value of the molecular descriptor of the compound is input, compounds whose characteristics satisfy the above conditions are extracted from each generated compound. Characteristics of a compound are calculated by quantum chemical calculation, a compound whose characteristics calculated by quantum chemical calculation satisfy the above conditions is specified, and the specified compound and the characteristics of the compound are output.
- An information processing method receives conditions for desired properties of a compound, acquires a plurality of molecular descriptors of the compound that satisfies the accepted conditions, and a value range of each molecular descriptor.
- the plurality of molecular descriptors and the value range of each molecular descriptor are displayed.
- a compound that can have good properties can be efficiently obtained.
- FIG. 1 is a block diagram showing a configuration example of an information processing device 1 according to an embodiment. It is a figure which shows the example of the content of the compound information memorize
- FIG. 2 is a diagram illustrating mapping data of compounds shown in Tables 1 and 2.
- FIG. 2 is a diagram illustrating mapping data of compounds shown in Tables 1 and 2.
- FIG. 1 is a block diagram showing a configuration example of an information processing device 1 according to an embodiment.
- the information processing device 1 is a device capable of various information processing and transmission/reception of information, and is, for example, a server computer, a personal computer, a quantum computer, or the like.
- the information processing device 1 functions as an extraction device that extracts compounds that may have desired properties or new compounds that may have desired properties from among a plurality of candidate compounds.
- a favorable emission spectrum may be an emission spectrum that can improve the luminous efficiency (light extraction efficiency) of the luminescent compound.
- the present embodiment is applicable not only to luminescent compounds, but also to the extraction of various compounds that can have various properties, such as the extraction of battery materials that can have good charge and discharge performance.
- a light-emitting layer containing a light-emitting compound which is a light-emitting substance, is sandwiched between a pair of electrodes and a voltage is applied thereto, so that the light-emitting compound emits light.
- the spectrum of light emitted by a luminescent compound is unique to that luminescent compound, and by using different types of luminescent compounds, it is possible to obtain light-emitting elements that emit light of various colors and intensities.
- the luminous efficiency of a luminescent compound is affected by the emission spectrum of the luminescent compound. For example, by narrowing the spectral width of a luminescent compound, emission loss can be reduced and luminous efficiency can be further improved.
- a luminescent compound whose spectral index satisfies a predetermined condition is extracted as a luminescent compound that has a good emission spectrum and can have excellent luminous efficiency.
- the spectral index means a value related to the emission spectrum of a luminescent compound.
- Examples of the spectral index include spectral width, spectral intensity, intensity ratio of the first peak and second peak, standard deviation of spectral shape, and the like.
- the spectral width may be the half width of the emission spectrum.
- the half width may be Full Width at Half Maximum (FWHM) or Half Width at Half Maximum (HWHM).
- the spectral width may be a width from a portion where the intensity is 50% of the second peak on the low energy side of the second peak to the first peak portion, taking the second peak of the spectrum into consideration. In the following description, it is assumed that the spectral width (FWHM) is used as the spectral index.
- the information processing device 1 includes a control section 11, a storage section 12, a communication section 13, a display section 14, an operation section 15, and the like.
- the information processing device 1 may be a multicomputer consisting of a plurality of computers, or may be a virtual machine virtually constructed using software.
- the control unit 11 is an arithmetic processing device that includes a CPU (Central Processing Unit), a GPU (Graphics Processing Unit), and the like.
- the control unit 11 uses a built-in memory such as ROM (Read Only Memory) or RAM (Random Access Memory) to execute various computer programs stored in the ROM or storage unit 12, and controls the operations of each part of the hardware described above. Control.
- the control unit 11 may have functions such as a timer that measures the elapsed time from when a measurement start instruction is given until a measurement end instruction is given, a counter that counts, a clock that outputs date and time information, and the like.
- the storage unit 12 includes a nonvolatile storage device such as a hard disk or a solid state drive (SSD).
- the storage unit 12 stores various computer programs and data.
- the storage unit 12 may be composed of a plurality of storage devices, or may be an external storage device connected to the information processing device 1.
- the computer programs stored in the storage unit 12 include a program 1P for causing the computer to execute a process related to the extraction of a luminescent compound.
- the storage unit 12 further stores a learning model 121 and a compound DB (Data Base) 122.
- the learning model 121 is a machine learning model generated by machine learning.
- the learning model 121 is assumed to be used as a program module that forms part of artificial intelligence software.
- the compound DB 122 is a database that stores compound information regarding a plurality of compounds.
- the computer program (computer program product) stored in the storage unit 12 may be provided by a non-temporary recording medium 1A that readably records the computer program.
- the recording medium 1A is a portable memory such as a CD-ROM, a USB memory, or an SD (Secure Digital) card.
- the control unit 11 reads a desired computer program from the recording medium 1A using a reading device (not shown), and stores the read computer program in the storage unit 12.
- the computer program may be provided via communication.
- Program 1P may be a single computer program or may be composed of multiple computer programs, and may be executed on a single computer or multiple computers interconnected by a communication network. good.
- the communication unit 13 includes a communication device for performing processing related to communication via a network such as the Internet.
- the control unit 11 sends and receives various information to and from external devices through the communication unit 13.
- the display unit 14 includes a display device such as a liquid crystal panel and an organic EL (Electro Luminescence) display.
- the display unit 14 displays various information according to instructions from the control unit 11.
- the operation unit 15 is an interface that accepts user operations, and includes, for example, a keyboard, a touch panel device with a built-in display, a speaker, a microphone, and the like.
- the operation unit 15 receives operation input from the user and sends a control signal to the control unit 11 according to the operation content.
- FIG. 2 is a diagram showing an example of the content of compound information stored in the compound DB 122.
- the compound DB 122 stores candidate compound information including compound information regarding candidate compounds (hereinafter also simply referred to as candidate compounds) and known compound information including compound information regarding known compounds.
- a candidate compound means a compound that can be a new manufacturing candidate.
- a known compound means a compound whose molecular structure is known and is not a new compound.
- Candidate compound information includes, for example, the molecular structure, structural formula, spectral width (quantum chemical calculation value), molecular descriptor, spectral flag, known flag, etc. of each compound, using the ID for identifying the compound as a key.
- the attached record is stored.
- the structural formula is a chemical structural formula of a compound expressed according to SMILES (Simplified Molecular Input Line Entry System) notation. Note that the notation of the chemical structural formula is not particularly limited as long as it is possible to perform quantum chemical calculations and generation of molecular descriptors, which will be described later, on the compound by converting the chemical structure into a character string or the like.
- the spectral width is the spectral width of the compound obtained by quantum chemical calculation. Quantum chemical calculations can be performed using known quantum chemical calculation software, such as Gaussian09 (manufactured by Gaussian).
- the spectral width is an example of a spectral index stored in the compound DB 122.
- the compound DB 122 may also store various spectral indices calculated by quantum chemical calculations.
- a molecular descriptor is a numerical representation of the structural features and physicochemical properties of a compound to make it easier to handle with a computer.
- the molecular descriptor can be calculated from the structural formula of the compound, and can be obtained using known software such as m Arthurd, RDKit, MOE, alvaDesc, PaDEL-Descriptor, Codessa, etc.
- the molecular descriptor is calculated using mordred, and the values of the molecular descriptor shown below mean the values calculated using mordred.
- the molecular descriptor string includes values of multiple types of molecular descriptors defined in m Arthurd.
- a molecular descriptor calculated by mordred as described above is used, but depending on the software used, it may be a descriptor with substantially the same content, that is, the same or similar content as the above descriptor. Descriptors may be used.
- a spectral flag is a flag generated according to a spectral index of a candidate compound. Specifically, it is a flag indicating whether the spectral index of the candidate compound satisfies a predetermined condition.
- the predetermined condition is whether the spectral width is less than a threshold value. In the example shown in FIG. 2, when the spectral width is less than the threshold, the flag is "1" indicating that the predetermined condition is met, and when the spectrum width is greater than or equal to the threshold, the flag is "2" indicating that the predetermined condition is not met. Stored in the spectrum flag column.
- the known flag is information indicating whether or not the candidate compound is known.
- a flag "1" indicating that it is known is stored in the known flag column. If the candidate compound is not known, the known flag column is blank or a flag indicating that it is not known is stored.
- Known compound information includes, for example, the molecular structure, structural formula, spectral width (actual value), spectral width (quantum chemical calculation value), molecular descriptor, etc. of each compound, using the ID for identifying the compound as a key. Contains linked records.
- the spectral width (actually measured value) is the spectral width of the compound obtained by experiment.
- Other information contents stored in the known compound information are the same as the candidate compound information.
- the information processing device 1 collects structural formulas of known compounds using, for example, articles, specialized books, known structural formula search means, and the like.
- the information processing device 1 may collect compounds specifically for luminescent compounds having luminescent properties.
- the information processing device 1 acquires various measured values regarding the collected compounds and various data obtained by quantum chemical calculations, molecular descriptor calculations, etc., and stores them in the compound DB 122 as known compound information.
- the compound information stored in the compound DB 122 is not limited to the above example.
- FIG. 3 is an explanatory diagram showing an overview of the learning model 121.
- the learning model 121 is a machine learning model that receives the values of multiple molecular descriptors of a compound as input and outputs the spectral width of the compound. Note that the output value of the learning model 121 may be a spectrum index other than the spectrum width.
- the information processing device 1 generates the learning model 121 in advance by performing machine learning to learn predetermined training data. Then, the information processing device 1 uses the learning model 121 to estimate the spectral width for the newly generated molecular descriptor of the luminescent compound.
- the learning model 121 is, for example, a random forest.
- Random forest is a classifier that uses multiple decision trees to classify target data into target attributes that match the features, and obtains the final classification result by majority vote on the output results obtained from each decision tree. .
- a representative value for example, an average value
- the output results obtained from each decision tree may be output as the final predicted value.
- the learning model 121 is composed of a decision tree having a plurality of branch nodes and a leaf node at the end of the branch node. In each decision tree, input data is classified according to conditions on the way from the top root node to the branches, and when it reaches the terminal leaf node, the value given to the terminal leaf node is output as the predicted value. . Each leaf node is associated with a spectral width value.
- the explanatory variables that are input to the learning model 121 are the values of multiple molecular descriptors in a compound.
- the objective variable output from the learning model 121 is the value of the spectral width. Different explanatory variables are used to generate each decision tree, and the spectral width for each explanatory variable is output.
- the learning model 121 is generated by preparing training data in which the values of a plurality of molecular descriptors are associated with labels indicating spectral widths, and performing machine learning on an unlearned model using the training data. I can do it.
- a spectral width calculated by quantum chemical calculation can be used.
- Quantum chemical calculations can be performed using known quantum chemical calculation software. It is known that such quantum chemical calculations can yield highly accurate values with small errors from actual measurements. In studies conducted by the present inventors, it has been confirmed that the error between the actually measured value and the value calculated by quantum chemical calculation is a small value. By using measured values from such simulations as the spectral width of training data, it becomes unnecessary to collect actual measured values through experiments, and more training data can be generated easily and efficiently.
- the correct spectral width is not limited to the spectral width determined by quantum chemical calculations, but may be an actual value measured by experiment, or may be both the spectral width determined by quantum chemical calculations and the actual measured value.
- the information processing device 1 applies the input data included in the training data, and generates a decision tree by sequentially searching for the branch that outputs the best value using a loss function, going downwards from the highest root node. .
- the information processing device 1 adjusts parameters using, for example, a gradient descent method so as to optimize (minimize) the loss function in the learning model 121.
- the information processing device 1 completes learning when the loss function satisfies a predetermined criterion.
- a learning model 121 is constructed that is trained to appropriately recognize the spectral width of the compound based on the value of the molecular descriptor for the compound.
- the learning model 121 may be a neural network such as Transformer, CNN (Convolution Neural Network), RNN (Recurrent Neural Network), LSTM (Long Short Term Memory), support vector machine, logistics regression, XGBoost (eXtreme Other learning algorithms such as Gradient Boosting) may also be used.
- CNN Convolution Neural Network
- RNN Recurrent Neural Network
- LSTM Long Short Term Memory
- XGBoost eXtreme Other learning algorithms such as Gradient Boosting
- the learning model 121 is not limited to one that is generated and learned by the information processing device 1.
- the learning model 121 may be transmitted to the information processing device 1 as a learned model by an external server and stored in the storage unit 12.
- the learning model 121 may be generated by an external server and learned by the information processing device 1.
- FIG. 4 is a flowchart illustrating an example of a processing procedure related to primary extraction.
- the processes in each of the flowcharts below may be executed by the control unit 11 according to the program 1P stored in the storage unit 12 of the information processing device 1, and may be executed by a dedicated hardware circuit (for example, FPGA or ASIC) provided in the control unit 11. It may be realized by a combination thereof.
- a dedicated hardware circuit for example, FPGA or ASIC
- the control unit 11 of the information processing device 1 acquires extraction conditions for a luminescent compound to be extracted (step S11).
- the extraction condition in this embodiment is a luminescent compound whose spectral width is less than a predetermined value, and the control unit 11 acquires a threshold (upper limit) of the spectral width of the luminescent compound.
- the control unit 11 may obtain the extraction conditions by receiving input from the user by operating the operation unit 15, for example, or may obtain the extraction conditions by receiving information transmitted from a communication-connected external device. You may.
- the control unit 11 generates a plurality of candidate compounds (step S12) and obtains a structural formula representing the molecular structure of each candidate compound.
- the control unit 11 acquires the value for each molecular descriptor of each generated candidate compound (step S13). In detail, the control unit 11 uses modred to calculate the value of each molecular descriptor from the structural formula of the candidate compound.
- the control unit 11 selects a predetermined number of molecular descriptors to be used as input to the learning model 121 from among all molecular descriptors using, for example, Ridge regression or LASSO regression (step S14). Note that the process in step S14 may be omitted.
- the control unit 11 inputs the values of multiple molecular descriptors for the selected candidate compound to the learning model 121 (step S15), and acquires the spectral width output from the learning model 121 (step S16).
- the control unit 11 executes the above-described processing for each of the generated candidate compounds, and determines the spectral width of each candidate compound.
- the control unit 11 calculates the degree of contribution of the selected plurality of molecular descriptors to the prediction of the spectral width by the learning model 121 (step S17).
- the degree of contribution of the molecular descriptor corresponds to the degree of variable importance.
- the degree of importance can be calculated based on, for example, oob (out-of-bag) data, Gini coefficient, or the like.
- the contribution of the molecular descriptor may also be calculated by other methods such as SHAP (SHApley Additive exPlanation) and LIME (Local Interpretable Model-Agnostic Explanations). Note that the process in step S17 may be omitted.
- the control unit 11 Based on the prediction result of the acquired learning model 121, the control unit 11 extracts candidate compounds whose spectral width output from the learning model 121 is less than the threshold value from among all the generated candidate compounds (step S18). .
- the extraction in step S18 corresponds to primary extraction. Note that a separate value may be set as the threshold value in the primary extraction, independent of the threshold value acquired as the extraction condition.
- the primary extraction is not limited to using a threshold value, and the control unit 11 may extract a predetermined number of candidate compounds in descending order of spectral width output from the learning model 121, for example.
- control unit 11 For each extracted candidate compound, the control unit 11 associates the molecular structure, structural formula, and value of each molecular descriptor of the candidate compound and stores them in the candidate compound information of the compound DB 122 (step S19). The control unit 11 ends the primary extraction process.
- FIG. 5 is a flowchart illustrating an example of a processing procedure regarding secondary extraction.
- the information processing device 1 may start the process in FIG. 5 after the primary extraction process in FIG. 4 ends.
- the control unit 11 of the information processing device 1 acquires the spectral width calculated by quantum chemical calculation for the plurality of candidate compounds extracted in step S18 of FIG. 4 (step S21).
- the control unit 11 calculates the value of the spectral width from the structural formula of the candidate compound using predetermined quantum chemical calculation software.
- the control unit 11 stores the acquired spectral width and various flags generated based on the spectral width in the candidate compound information of the compound DB 122 (step S22). Specifically, the control unit 11 determines whether the spectral width is less than the threshold based on the spectral width obtained by quantum chemical calculation and the spectral width threshold, and generates a spectral flag according to the determination result. . Further, the control unit 11 refers to the known compound information, determines whether the molecular structure of each generated candidate compound is known, and generates a known flag for the candidate compound whose molecular structure is known.
- the control unit 11 classifies each candidate compound into one of the first to third groups based on the spectral width of each candidate compound based on the quantum chemical calculation and the information stored in the compound DB 122 (step S23). Specifically, the control unit 11 groups each candidate compound based on the type of spectrum flag associated with each candidate compound and the presence or absence of a known flag.
- Candidate compounds classified into the first group are compounds whose spectral width is less than the threshold value and which are not stored as known compounds.
- Candidate compounds classified into the second group are compounds whose spectral width is less than the threshold value and which are stored as known compounds.
- Candidate compounds classified into the third group are compounds whose spectral width is equal to or greater than the threshold value.
- the control unit 11 generates mapping data in which combination values of a plurality of molecular descriptors are mapped for each group (step S24).
- the control unit 11 determines a combination of molecular descriptors that can separate the first group from the second group and the third group, based on the value of each molecular descriptor in each candidate compound and the group to which each candidate compound belongs.
- the value range of each molecular descriptor is specified (step S25).
- mapping data is a graph with different types of molecular descriptors on the vertical and horizontal axes. The combined values of molecular descriptors for multiple candidate compounds are mapped on the graph.
- the vertical axis of the graph is AATSC2c
- the horizontal axis is SpDiam_A.
- the control unit 11 plots the values of AATSC2c and SpDiam_A stored in the candidate compound data on a graph for each candidate compound to be mapped.
- mapping data in which compounds belonging to the first group and the third group are mapped is illustrated, but the mapping data includes all compounds belonging to the first group to the third group. Of course, it may be mapped.
- the control unit 11 may generate mapping data including candidate compounds that are not subject to extraction selected in the primary extraction, and may generate mapping data that includes not only candidate compounds but also known compounds. Mapping data may be generated by including compounds of For example, the control unit 11 may refer to the known compound information, extract known compounds whose spectral width is less than a threshold, and map the extracted known compounds to the mapping data as compounds belonging to the second group. .
- the mapping data identifiably displays the group to which each candidate compound belongs.
- the control unit 11 changes the display mode of the molecular descriptor value marker depending on the group, such as changing the shape and display color of the molecular descriptor value marker depending on the group. This allows the user to efficiently grasp multiple pieces of information and clearly recognize data for each group.
- the control unit 11 identifies a range of molecular descriptor values that can separate the candidate compounds of the first group from the candidate compounds of other groups.
- the control unit 11 derives, for each molecular descriptor, an upper limit value and a lower limit value of the molecular descriptor that includes only the candidate compounds of the first group, according to the distribution status of the values of the molecular descriptor.
- the control unit 11 may specify only either the upper limit value or the lower limit value.
- the control unit 11 may determine that the combination of molecular descriptors that cannot be divided into the first group is inappropriate, and may not specify the upper limit value and the lower limit value.
- candidate compounds belonging to the first group are mapped so as to be unevenly distributed on the right side of the graph.
- the control unit 11 specifies the upper limit value and lower limit value of AATSC2c and the upper limit value and lower limit value of SpDiam_A from which the area indicated by the broken line frame in FIG. 6 can be extracted.
- the control unit 11 performs similar processing for other combinations of molecular descriptors. Specifically, the control unit 11 generates mapping data in which the vertical and horizontal axes represent new combinations of molecular descriptors, and specifies the range of values for each molecular descriptor for the combination of molecular descriptors.
- FIG. 7 shows an example of mapping data regarding other combinations of molecular descriptors.
- FIG. 7 is mapping data in which the vertical axis of the graph is AETA_beta and the horizontal axis is GATS6c.
- the control unit 11 determines the upper limit and lower limit of AETA_beta and the upper limit and lower limit of GATS6c from which the area indicated by the broken line frame shown on the right side of the center in FIG. Be more specific. Note that the broken line frames shown in FIGS. 6 and 7 simply indicate the concept of separating the first group, and do not limit the numerical values of the molecular descriptors in any way.
- the control unit 11 determines the final combination of molecular descriptors and each molecular descriptor by integrally evaluating a plurality of mapping data for each combination of different molecular descriptors and the value range of each molecular descriptor. Identify the range of values for .
- the control unit 11 generates second mapping data for a compound that satisfies the molecular descriptor value range specified by the first mapping data, and specifies a further molecular descriptor value range. . Compounds that satisfy the range of molecular descriptor values identified using the first and second mapping data are then identified using the third mapping data. The control unit 11 finally obtains one combination of molecular descriptors that can separate the first group from other groups and the value range of each molecular descriptor.
- the mapping data is not limited to data showing two types of molecular descriptors on two axes, but may be data showing three or more types of molecular descriptors on axes.
- the control unit 11 may determine the priority of molecular descriptors used in the specifying process according to the degree of contribution of each molecular descriptor.
- the control unit 11 uses molecular descriptors preferentially in descending order of contribution based on the contribution of each molecular descriptor calculated in step S17 of FIG.
- the control unit 11 generates combinations of molecular descriptors in order of contribution, and specifies the range of molecular descriptor values.
- the control unit 11 may specify the combination of molecular descriptors after first specifying the value range of the molecular descriptors.
- the control unit 11 refers to the compound DB 122, extracts all known compounds whose spectral index satisfies a predetermined condition, and acquires the value of each molecular descriptor for each extracted compound.
- the control unit 11 specifies the maximum value and minimum value of each obtained molecular descriptor, and sets the range of the specified maximum value and minimum value as the value range of the molecular descriptor.
- the control unit 11 uses the molecular descriptors associated with the identified ranges to identify a combination of molecular descriptors that can separate the first group.
- candidate compounds may be classified based on whether a spectral index satisfies a predetermined condition, without considering whether or not they are known compounds.
- candidate compounds are classified into groups whose spectral index satisfies a predetermined condition (groups whose spectral width is less than a threshold) and groups whose spectral index does not satisfy a predetermined condition (group whose spectral width is greater than or equal to a threshold).
- Ru The control unit 11 specifies combinations and ranges of molecular descriptors that can separate groups whose spectral index satisfies a predetermined condition from groups whose spectral index does not satisfy a predetermined condition.
- the control unit 11 extracts candidate compounds (luminescent compounds) that satisfy the specified combination of molecular descriptors and the value range of each molecular descriptor from among the primary extracted candidate compounds (step S26). Through the process of step S26, luminescent compounds belonging to the first group are extracted.
- the extraction in step S26 corresponds to secondary extraction. In the secondary extraction, the control unit 11 may extract a predetermined number of luminescent compounds from among the luminescent compounds belonging to the first group in descending order of spectral width.
- the control unit 11 stores the secondary extraction result in the storage unit 12 (step S27).
- the control unit 11 may generate a new known flag in the candidate compound information as a new known compound.
- the control unit 11 adds candidate compound information for which a new known flag has been generated to known compound information.
- the control unit 11 outputs the obtained extraction result via the display unit 14 (step S28), and ends the series of processing.
- step S11 the control unit 11 accepts, as an extraction condition, that the spectral width satisfies less than 0.2 eV.
- the threshold value of the spectral width is set to a value obtained by adding a predetermined margin to the reference value, using the spectral width of an existing luminescent compound having a good emission spectrum as a reference value.
- step S12 the control unit 11 generates a plurality of candidate compounds having, for example, a cyclohexane ring as a basic skeleton and having different numbers of rings and substituents.
- step S14 the control unit 11 acquires 50 types of molecular descriptors selected by Ridge regression from among the plurality of descriptors defined in m Arthurd.
- the acquired molecular descriptors include, for example, SpDiam_A, AATSC2c, AATSC3s, MATS5s, GATS6c, GATS7i, C3SP2, AETA_beta, AETA_beta_s, SlogP_VSA5, n5aRing, n6Aring, nB, nARing, A Examples include Xp-3d, SaasC, Vabc, and the like.
- the control unit 11 calculates values for each of these 50 types of molecular descriptors for each candidate compound.
- the control unit 11 uses the calculated molecular descriptors to predict the spectral width using the learning model 121, and calculates the degree of contribution of each molecular descriptor.
- step S25 the control unit 11 selects a new candidate compound group with a spectral width of less than 0.2 eV, a known compound group with a spectral width of less than 0.2 eV, and a compound with a spectral width of 0.2 eV or more.
- SpDiam_A is 5.0 or more
- AATSC2c is 0.003 or less
- MATS5s is 0.17 or less
- GATS6c is 0.6 or more
- AETA_beta is 1.6 or less.
- the combination of molecular descriptors and the range of the value of each molecular descriptor are as follows: SpDiam_A is 5.0 to 6.0, AATSC2c is -0.010 to 0.003, and MATS5s is -0.30 to 0. 17 or less, GATS6c from 0.6 to 3.0, and AETA_beta from 0.5 to 1.6.
- SpDiam_A is 5.0 to 6.0
- AATSC2c is -0.010 to 0.003
- MATS5s is -0.30 to 0. 17 or less
- GATS6c from 0.6 to 3.0
- AETA_beta from 0.5 to 1.6.
- nB is 0 or more and 2 or less
- AATSC3s is -0.2 or more and 0.5 or less
- C3SP2 is 0 or more and 30 or less
- AETA_beta_s is 0.5.
- SlogP_VSA5 is 0 or more and 400 or less
- n5aRing is 0 or more and 10 or less
- n6ARing is 0 or more and 10 or less
- nARing is 0 or more and 10 or less
- AXp-3d is 0.10 or more and 0.20 or less
- SaasC is 0 40 or less
- Vabc of 100 or more and 2000 or less can be specified.
- FIG. 8 is a schematic diagram showing an example of a result screen displayed on the display unit 14. Based on the obtained extraction results, the control unit 11 generates a result screen showing the extraction results and displays it on the display unit 14.
- the result screen includes, for example, an extraction condition column 141, a result list 142, a molecular descriptor information column 143, a mapping data column 144, and the like.
- the extraction condition column 141 displays the extraction conditions used for extraction.
- the information processing device 1 displays the extraction conditions accepted at the time of extraction in the extraction condition column 141.
- the result list 142 displays a list of extracted luminescent compounds. Based on the information stored in the candidate compound information, the information processing device 1 displays a list of the molecular structure of each luminescent compound extracted by secondary extraction, the spectral width by quantum chemical calculation, the value of each molecular descriptor, etc. let
- the molecular descriptor information column 143 displays combinations of molecular descriptors corresponding to the extraction conditions and the value range of each molecular descriptor.
- the information processing device 1 displays the combination of molecular descriptors and the value range of each molecular descriptor identified in step S25 of FIG. 5 in the molecular descriptor information field 143.
- the molecular descriptor information field 143 further displays information indicating the degree of contribution of the molecular descriptor. Based on the degree of contribution of each molecular descriptor acquired in step S17 of FIG. 4, the information processing device 1 arranges the molecular descriptors in descending order of degree of contribution and displays them in the molecular descriptor information column 143.
- mapping data is displayed in the mapping data column 144.
- the mapping data column 144 is configured to be able to change the molecular descriptors on the vertical and horizontal axes of the mapping data to be displayed in accordance with the user's operation via the operation unit 15.
- the information processing device 1 reads mapping data centered on the molecular descriptor selected by the user from among the plurality of mapping data generated in step S24 of FIG. 5, and displays it in the mapping data field 144.
- a person in charge of synthesizing a luminescent compound can easily grasp various information regarding a luminescent compound that is a manufacturing candidate using the results screen.
- the person in charge of synthesis can determine the luminescent compound to be actually synthesized by checking the extraction results presented on the result screen.
- the information processing device 1 performs quantum chemical calculations on compounds that have been subjected to primary extraction using the learning model 121, thereby accurately extracting compounds that can satisfy desired properties and reducing the computational load. I can do it.
- the conditions of the molecular descriptor that can extract a compound that can satisfy the desired properties are specified.
- compounds that can satisfy desired properties can be efficiently extracted from new candidate compounds.
- Molecular descriptor conditions are efficiently identified using mapping data. Conditions for the molecular descriptor can be adjusted to suit various extraction modes by appropriately adjusting the number of groupings for separating compound groups, grouping conditions, spectral index values, and the like.
- the information processing device 1 may be configured to provide the compound extraction results to an external device.
- FIG. 9 is a block diagram showing a configuration example of the information processing device 1 and the information terminal device 2 in a modified example.
- the information terminal device 2 is an example of an external device that receives the extraction results.
- the information processing device 1 is communicably connected to each of the plurality of information terminal devices 2 via a network N such as the Internet.
- the information processing device 1 and the information terminal device 2 are capable of transmitting and receiving data via the network N.
- the information processing device 1 extracts compounds that meet the extraction conditions and identifies descriptors, and transmits information indicating the execution results to the information terminal device 2.
- the information processing device 1 functions as a service providing server that provides a compound extraction service.
- the information terminal device 2 is, for example, a personal computer, a smartphone, a tablet terminal, etc., and is managed by a user who uses the extraction service.
- the information terminal device 2 includes a control section 21, a storage section 22, a communication section 23, a display section 24, an operation section 25, and the like.
- the storage unit 22 stores various computer programs and data including a program 2P for causing a computer to execute processing related to obtaining compound extraction results.
- the hardware configuration of the information terminal device 2 is similar to that of the information processing device 1, so a detailed explanation will be omitted.
- FIG. 10 is a flowchart illustrating an example of a processing procedure executed by the information terminal device 2.
- the processes in each of the flowcharts below may be executed by the control unit 21 according to the program 2P stored in the storage unit 22 of the information terminal device 2, or may be realized by a dedicated hardware circuit provided in the control unit 21. , may be realized by a combination thereof.
- the control unit 21 of the information terminal device 2 receives extraction conditions obtained by the user operating the operation unit 25 (step S41).
- the control unit 21 receives, for example, the range of spectral width that the compound should satisfy as the desired specification for the compound to be extracted.
- the control unit 21 transmits the accepted extraction conditions to the information processing device 1 (step S42).
- the control unit 21 may transmit the information terminal device 2 or user identification information in association with the extraction condition.
- the information processing device 1 acquires the extraction conditions sent from the information terminal device 2 through the process of step S11 in FIG.
- the information processing device 1 extracts compounds that satisfy the acquired extraction conditions by executing the processing described in FIGS. 4 and 5. Further, the information processing device 1 specifies, for example, a combination of molecular descriptors that can separate a compound group that satisfies the acquired extraction conditions from a compound group that does not satisfy the extraction conditions, and a range of values of each molecular descriptor.
- the information processing device 1 transmits the extraction result to the information terminal device 2 through the process of step S28 in FIG.
- the information processing device 1 transmits the extraction result to the information terminal device 2 or the information terminal device 2 identified by the user identification information via the communication unit 13.
- the control unit 21 of the information terminal device 2 receives the extraction result transmitted from the information processing device 1 (step S43).
- the control unit 21 outputs the received extraction result via the display unit 24 (step S44), and ends the series of processing.
- a result screen similar to that shown in FIG. 8 is displayed on the display unit 24.
- a luminescent compound extracted by the above-described information processing method can be provided.
- the luminescent compound satisfies the molecular descriptors SpDiam_A by Mordred of 5.0 or more, AATSC2c of 0.003 or less, MATS5s of 0.17 or less, GATS6c of 0.6 or more, and AETA_beta of 1.6 or less.
- the molecular descriptor of the luminescent compound is within the above range, the emission spectrum is good, particularly the spectral width is narrowed, and such a luminescent compound can be efficiently obtained.
- the luminescent compound has SpDiam_A of 5.0 or more and 6.0 or less, AATSC2c of -0.010 or more and 0.003 or less, MATS5s of -0.30 or more and 0.17 or less, and GATS6c of 0.6 or more and 3.0 or less.
- AETA_beta preferably satisfy 0.5 or more and 1.6 or less.
- SpDiam_A is more preferably 5.7 or less, and even more preferably 5.5 or less.
- AATSC2c is more preferably ⁇ 0.004 or more, still more preferably ⁇ 0.003 or more, and more preferably 0.002 or less, still more preferably 0.001 or less.
- MATS5s is more preferably ⁇ 0.20 or more, still more preferably ⁇ 0.15 or more, and more preferably 0.15 or less, still more preferably 0.13 or less.
- GATS6c is more preferably 0.8 or more, more preferably 2.0 or less, still more preferably 1.4 or less.
- AETA_beta is more preferably 1.0 or more, still more preferably 1.2 or more.
- the luminescent compound has nB of 0 or more and 2 or less, AATSC3s of -0.2 or more and 0.5 or less, C3SP2 of 0 or more and 30 or less, AETA_beta_s of 0.5 or more and 1.0 or less, SlogP_VSA5 of 0 or more and 400 or less, and n5aRing. is 0 or more and 10 or less, n6ARing is 0 or more and 10 or less, nARing is 0 or more and 10 or less, AXp-3d is 0.10 or more and 0.20 or less, SaasC is 0 or more and 40 or less, and Vabc is 100 or more and 2000 or less. It is more preferable. When the molecular descriptor of the luminescent compound is within the above range, the luminescent spectrum is good, particularly the spectral width is narrowed, and such a luminescent compound can be obtained more efficiently.
- nB is more preferably 1 or less, and most preferably 0.
- AATSC3s is more preferably -0.1 or more, most preferably 0.0 or more, and even more preferably 0.4 or less.
- C3SP2 is more preferably 4 or more, and even more preferably 16 or less.
- AETA_beta_s is more preferably 0.6 or more, and even more preferably 0.7 or less.
- SlogP_VSA5 is more preferably 100 or less.
- n5aRing is more preferably 6 or less, most preferably 3 or less.
- n6ARing is more preferably 4 or less, most preferably 2 or less.
- nARing is more preferably 2 or more, further preferably 6 or less, and most preferably 5 or less.
- AXp-3d is more preferably 0.15 or more, further preferably 0.17 or less, and most preferably 0.16 or less.
- SaasC is more preferably 1 or more, further preferably 20 or less, and most preferably 15 or less.
- Vabc is more preferably 200 or more, further preferably 1500 or less, and most preferably 1000 or less.
- the luminescent compound according to the embodiment has a spectral index of less than 0.2 eV, preferably 0.12 eV or less, and more preferably 0.08 eV or less.
- the method for producing a luminescent compound includes a preparation step of preparing a plurality of compounds, and an extraction step of extracting the luminescent compound from the plurality of compounds obtained in the preparation step.
- the above preparation step corresponds to a step of generating a plurality of compounds on a computer.
- the molecular descriptor SpDiam_A by mordred is 5.0 or more, AATSC2c is 0.003 or less, MATS5s is 0.17 or less, GATS6c is 0.6 or more, AETA_beta is 1.6 or less, and AATSC3s is -0. .2 or more and 0.5 or less, C3SP2 is 0 or more and 30 or less, AETA_beta_s is 0.5 or more and 1.0 or less, SlogP_VSA5 is 0 or more and 400 or less, n5aRing is 0 or more and 10 or less, and n6ARing is 0 or more and 10 or less.
- a luminescent compound satisfying at least one condition is extracted.
- the extraction step can be performed by applying the above-mentioned information processing method to extract the luminescent compound.
- Another aspect of the method for producing a luminescent compound provided by the present embodiment includes a preparation step of preparing a plurality of compounds, and a method in which the half width of the emission spectrum is less than a predetermined value from the plurality of compounds obtained in the preparation step. and an extraction step of extracting a certain luminescent compound.
- the above preparation step corresponds to a step of generating a plurality of compounds on a computer.
- the molecular descriptor SpDiam_A by mordred is 5.0 or more, AATSC2c is 0.003 or less, MATS5s is 0.17 or less, GATS6c is 0.6 or more, AETA_beta is 1.6 or less, and AATSC3s is -0. .2 or more and 0.5 or less, C3SP2 is 0 or more and 30 or less, AETA_beta_s is 0.5 or more and 1.0 or less, SlogP_VSA5 is 0 or more and 400 or less, n5aRing is 0 or more and 10 or less, and n6ARing is 0 or more and 10 or less.
- a luminescent compound satisfying at least one condition is extracted.
- the extraction step can be performed by applying the above-mentioned information processing method to extract the luminescent compound.
- Another aspect of the method for producing a luminescent compound provided by this embodiment includes the steps of extracting a luminescent compound by the information processing method of the embodiment, and obtaining the extracted luminescent compound.
- a luminescent compound it can be obtained by, for example, combining reactions such as a coupling reaction, amination reaction, and condensation reaction, and functional group conversion reactions such as a halogenation reaction.
- a composition containing the above-mentioned luminescent compound can be provided.
- the composition includes the luminescent compound of the embodiment and at least one member selected from the group consisting of a hole transport material, a hole injection material, an electron transport material, an electron injection material, a luminescent material, an antioxidant, and a solvent. contains.
- the luminescent compounds of the embodiments may be used alone or in combination of two or more.
- the hole transport material may be a low molecular compound or a high molecular compound.
- the hole transport material is preferably a polymer compound, such as polyvinylcarbazole and its derivatives, polyarylene having an aromatic amine structure in the side chain or main chain, and its derivatives.
- One type of hole transport material may be used alone or two or more types may be used in combination.
- the electron transport material may be a low molecular compound or a high molecular compound.
- the electron transport material may have a crosslinking group.
- low-molecular compounds include metal complexes having 8-hydroxyquinoline as a ligand, oxadiazole, anthraquinodimethane, benzoquinone, naphthoquinone, anthraquinone, tetracyanoanthraquinodimethane, fluorenone, diphenyldicyanoethylene, and diphenoquinone. , and derivatives thereof.
- the polymer compound include polyphenylene, polyfluorene, and derivatives thereof.
- the polymer compound may be doped with metal.
- the electron transport materials may be used alone or in combination of two or more.
- the hole injection material and electron injection material may be a low molecular compound or a high molecular compound.
- the hole injection material and the electron injection material may have a crosslinking group.
- low-molecular compounds include metal phthalocyanines such as copper phthalocyanine, metal oxides such as molybdenum and tungsten, metal fluorides such as lithium fluoride, sodium fluoride, cesium fluoride, and potassium fluoride, and carbon.
- Examples of polymeric compounds include polyaniline, polythiophene, polypyrrole, polyphenylene vinylene, polythienylene vinylene, polyquinoline, polyquinoxaline, derivatives thereof, and conductive polymers containing an aromatic amine structure in the main chain or side chain. Examples include polymers.
- the luminescent material may be a low molecular compound or a high molecular compound.
- the luminescent material may have a crosslinking group.
- the low-molecular compound include naphthalene and its derivatives, anthracene and its derivatives, perylene and its derivatives, and triplet luminescent complexes having iridium, platinum, or europium as the central metal.
- polymer compounds include arylene groups such as phenylene group, naphthalene diyl group, fluorenediyl group, phenanthrene diyl group, dihydrophenanthrene diyl group, anthracenediyl group, and pyrene diyl group, and aromatic amines containing two hydrogen atoms.
- Examples include polymer compounds containing aromatic amine residues such as removed groups, and divalent heterocyclic groups such as carbazolediyl groups, phenoxazinediyl groups, and phenothiazinediyl groups.
- the luminescent materials may be used alone or in combination of two or more.
- the antioxidant is not particularly limited as long as it is a compound that does not inhibit luminescence and charge transport, and examples thereof include phenolic antioxidants, phosphorus antioxidants, and the like.
- the antioxidants may be used alone or in combination of two or more.
- solvent examples include chlorine-based solvents, ether-based solvents, aromatic hydrocarbon-based solvents, aliphatic hydrocarbon-based solvents, ketone-based solvents, ester-based solvents, polyhydric alcohol-based solvents, alcohol-based solvents, sulfoxide-based solvents, Examples include amide solvents.
- One type of solvent may be used alone or two or more types may be used in combination.
- the method for producing the composition of the embodiment includes a luminescent compound produced by the above production method, a hole transport material, a hole injection material, an electron transport material, an electron injection material, a luminescent material, an antioxidant, and a solvent. and at least one selected from the group consisting of:
- a light-emitting element containing the above-described light-emitting compound can be provided.
- the light emitting element has an anode, a cathode, and a light emitting layer containing the luminescent compound of the embodiment provided between the anode and the cathode.
- the luminescent compounds of the embodiments may be used alone or in combination of two or more.
- the light-emitting layer further contains at least one selected from the group consisting of a hole-transporting material, a hole-injecting material, an electron-transporting material, an electron-injecting material, a luminescent material, and an antioxidant.
- Examples of the material for the anode include conductive metal oxides and translucent metals, preferably indium oxide, zinc oxide, tin oxide, indium tin oxide (ITO), and the like.
- Examples of the cathode material include metals such as lithium, sodium, potassium, rubidium, cesium, beryllium, magnesium, calcium, strontium, barium, aluminum, zinc, and indium, and alloys of two or more of these metals. Examples include alloys of one or more of these and one or more of silver, copper, manganese, titanium, cobalt, nickel, tungsten, and tin. Examples of the alloy include magnesium-silver alloy, magnesium-indium alloy, magnesium-aluminum alloy, indium-silver alloy, lithium-aluminum alloy, lithium-magnesium alloy, lithium-indium alloy, and calcium-aluminum alloy. Each of the anode and the cathode may have a laminated structure of two or more layers.
- the method for manufacturing a light-emitting element of the embodiment includes a step of forming the light-emitting layer using a light-emitting compound manufactured by the above-described manufacturing method.
- the light-emitting layer can be formed by, for example, a dry method or a wet method.
- the light-emitting layer may be formed using, for example, a vacuum deposition method, an inkjet method, or a spin coating method.
- the light-emitting element can be suitably used in light-emitting devices such as display devices for computers, televisions, mobile terminals, and the like.
- Luminescent compounds having good emission spectra can be extracted based on the molecular descriptor value and spectral width of each compound.
- Tables 3 and 4 show the molecular descriptor values and spectral width (FWHM) values for each compound.
- the spectral width was calculated using quantum chemical calculation software Gaussian 16.
- FIG. 11 and FIG. 12 are diagrams illustrating mapping data of compounds shown in Tables 1 and 2.
- black circles indicate compounds A1 to A82 (examples) listed in Table 1
- black triangles indicate compounds B1 to B16 (comparative examples) listed in table 2.
- FIG. 11 is mapping data in which the vertical axis of the graph is AATSC2c and the horizontal axis is SpDiam_A.
- FIG. 12 is mapping data in which the vertical axis of the graph is AETA_beta and the horizontal axis is GATS6c.
- the mapping data in FIG. 12 shows that among compounds A1 to A82 and compounds B1 to B16, the conditions for the already specified molecular descriptors are SpDiam_A of 5.0 or more, AATSC2c of 0.003 or less, and MATS5s of 0.17. Mapping data is shown that maps only compounds that satisfy the following.
- the luminescent compound of the example has a spectral width of less than 0.2 eV and can have a good emission spectrum.
- Compound 8a can be obtained by reacting according to the procedure described in [2502-2505] and the like.
- Compound 8a was prepared from [Yuki Gosei Kagaku Kyokaishi, 1959, vol. 17, p.
- Compound 8b can be obtained by reacting according to the procedure described in [142, 143] and the like.
- Compound 8b was added to [Advanced Synthesis and Catalysis, 2018, vol. 360, No. 20, p.
- Compound 8c can be obtained by reacting according to the procedure described in [3877-3883] and the like.
- Compound 8c and 1,2,3-benzotriazole [Bioorganic and Medicinal Chemistry, 2011, vol. 19, No. 24, p.
- Compound 8d can be obtained by reacting according to the procedure described in [7519]-[7525] and the like.
- Compound 8d [European Journal of Organic Chemistry, 2017, vol. 2017, No. 22, p.
- Compound 8e can be obtained by reacting according to the procedure described in [3197]-[3210] and the like.
- Compound 8e and 1-bromo-2-(bromomethyl)naphthalene [Journal of Organic Chemistry, 1987, vol. 52, No. 19, p.
- Compound 8f can be obtained by reacting according to the procedure described in [4207]-[4214] and the like.
- Compound A9 is synthesized according to the following synthesis scheme.
- Compound 9a can be obtained by reacting according to the procedure described in [384]-[393] and the like.
- Compound 9a and trimethylsilylacetylene can be obtained by reacting according to the procedure described in [1100-1103] and the like.
- Compound 9b was published in [Journal of the Chemical Society. Perkin Transactions 2 (2001), 2002, No. 5, p.
- Compound 9c can be obtained by reacting according to the procedure described in [878-886] and the like.
- Compound 9c and 3-iodobenzophenone [Tetrahedron, 2010, vol. 66, No. 13, p.
- Compound 9d can be obtained by reacting according to the procedure described in [2378-2383] and the like.
- Compound 9d [Journal of the American Chemical Society, 2021, vol. 143, No. 37, p.
- Compound 9e can be obtained by reacting according to the procedure described in [15420-15426] and the like.
- Compound 9e was extracted from [Journal of Organic Chemistry, 2015, vol. 80, No. 19, p.
- Compound 9f can be obtained by reacting according to the procedure described in [9410]-[9424] and the like.
- Compound 13a can be obtained by reacting according to the procedure described in [1891-1894] and the like.
- Compound 13a and 2-isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane [Organic Letters, 2011, vol. 13, No. 14, p.
- Compound 13b can be obtained by reacting according to the procedure described in [3588-3591] and the like.
- Compound 13b and 2-bromo-3-iodonaphthalene [Organic Letters, 2015, vol. 17, No. 6, p.
- Compound 13c can be obtained by reacting according to the procedure described in [1613-1616] and the like.
- Compound 13c was prepared from [Tetrahedron Letters, 1993, vol. 34, No. 12, p.
- Compound 13d can be obtained by reacting according to the procedure described in [1885]-[1888].
- Compound 13d and bromobenzene [Organometallics, 2010, vol. 29, No. 18, p.
- Compound 13e can be obtained by reacting according to the procedure described in [4120]-[4129] and the like.
- Compound 13e was purified from [Pharmaceutical Chemistry Journal, 1982, vol. 16, No. 11, p.
- Compound 13f can be obtained by reacting according to the procedure described in [844]-[848] and the like.
- Compound 13f [Bioorganic and Medicinal Chemistry Letters, 2018, vol. 28, No. 18, p.
- Compound A13 can be obtained by reacting according to the procedure described in [3123-3128] and the like.
- Compound A21 is synthesized according to the following synthesis scheme.
- Compound 21a can be obtained by reacting according to the procedure described in [7779]-[7784] and the like. Compound 21a was described in [New Journal of Chemistry, 2008, vol. 32, No. 11, p. Compound 21b can be obtained by reacting according to the procedure described in [1847]-[1849] and the like. Compound 21b and 1-bromo-2-iodobenzene [Journal of Organic Chemistry, 2021, vol. 86, No. 24, p.
- Compound 21c can be obtained by reacting according to the procedure described in [17651-17666] and the like.
- Compound 21d can be obtained by reacting according to the procedure described in [590]-[592] and the like.
- N-phenylbis(trifluoromethanesulfonimide) and 3-cyclopentenone Journal of the American Chemical Society, 2018, vol. 140, No. 47, p.
- Compound 21e can be obtained by reacting according to the procedure described in [16253]-[16263] and the like.
- Compound 21e and bis(pinacolato)diboron [Bioorganic and Medicinal Chemistry Letters, 2021, vol. 36, art.
- No. Compound 21f can be obtained by reacting according to the procedure described in [127823] and the like.
- Compound 21d and compound 21f [Tetrahedron Letters, 2013, vol. 54, No. 6, p. 512-514], Compound 21g can be obtained.
- 21 g of the compound was added to [Organic Letters, 2016, vol. 18, No. 2, p.
- Compound 21h can be obtained by reacting according to the procedure described in [200]-[203] and the like.
- Compound 21h was added to [Chemical Science, 2019, vol. 10, No. 14, p.
- Compound 21i can be obtained by reacting according to the procedure described in [4025]-[4031] and the like.
- Compound 21i was added to [Chemistry-A European Journal, 2015, vol. 21, No. 33, p.
- Compound 21j can be obtained by reacting according to the procedure described in [11813-11824] and the like.
- Compound 21j [Journal of Organometallic Chemistry, 1992, vol. 426, No. 2, p.
- Compound A21 can be obtained by reacting according to the procedure described in [213-245] and the like.
- Compound A60 is synthesized according to the following synthesis scheme.
- Compound 60a can be obtained by reacting according to the procedure described in [8667]-[8682] and the like.
- Compound 60a and 2-bromo-3-(bromomethyl)benzaldehyde MedChemComm, 2013, vol. 4, No. 1, p.
- Compound 60b can be obtained by reacting according to the procedure described in [140]-[144] and the like.
- Compound 60b was added to [Applied Organometallic Chemistry, 2012, vol. 26, No. 6, p.
- Compound 60c can be obtained by reacting according to the procedure described in [287]-[292] and the like.
- Compound 60c [Tetrahedron, 2008, vol. 64, No. 46, p.
- Compound 60d can be obtained by reacting according to the procedure described in [10573-10580] and the like.
- Compound 60d and aniline [Journal of the Chemical Society, 1957, p.
- Compound 60e can be obtained by reacting according to the procedure described in [2210, 2212] and the like.
- Compound 60e [Journal of Polymer Science, Part A: Polymer Chemistry, 2014, vol. 52, No. 21, p.
- Compound 60f can be obtained by reacting according to the procedure described in [3096-3106] and the like.
- Compound 60f [Journal of Organic Chemistry, 2012, vol. 77, No. 20, p.
- Compound A60 can be obtained by reacting according to the procedure described in [9418-9421,4] and the like.
- Compound A66 is synthesized according to the following synthesis scheme.
- Compound 66a can be obtained by reacting according to the procedure described in [15762]-[15766] and the like.
- Compound 66a and 1-bromo-2-iodonaphthalene [Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2018, vol. 194, p.
- Compound 66b can be obtained by reacting according to the procedure described in [111]-[116] and the like.
- Compound 66b and aniline Journal of Organic Chemistry, 2013, vol. 78, No. 10, p.
- Compound 66c can be obtained by reacting according to the procedure described in [4649]-[4664] and the like.
- Compound 66c and 2-bromobenzaldehyde [Tetrahedron Letters, 2013, vol. 54, No. 46, p.
- Compound 66d can be obtained by reacting according to the procedure described in [6171]-[6177] and the like.
- Compound 66d and aniline [Bioorganic and Medicinal Chemistry, 2016, vol. 24, No. 19, p.
- Compound 66e can be obtained by reacting according to the procedure described in [4675]-[4691] and the like.
- Compound 66e was added to [Organic Letters, 2018, vol. 20, No. 4, p.
- Compound A66 can be obtained by reacting according to the procedure described in [958-961] and the like.
- Compound A70 is synthesized according to the following synthesis scheme.
- Compound 70a can be obtained by reacting according to the procedure described in [4519]-[4522] and the like.
- Compound 70a and bis(pinacolato)diboron can be obtained by reacting according to the procedure described in [139-155] and the like.
- Compound 70b and 2,3,4,5-tetrabromoaniline Journal of Medicinal Chemistry, 2006, vol. 49, No. 1, p.
- Compound 70c can be obtained by reacting according to the procedure described in [35]-[38] and the like.
- Compound 70c was prepared from [Il Farmaco, 1990, vol. 45, No. 1, p.
- Compound 70d can be obtained by reacting according to the procedure described in [7-27] and the like.
- Compound 70d and iodobenzene [Advanced Synthesis and Catalysis, 2014, vol. 356, No. 18, p.
- Compound 70e can be obtained by reacting according to the procedure described in [3821-3830] and the like.
- Compound 70e and phenylhydrazine [Journal of the Indian Chemical Society, 1957, vol. 34, p.
- Compound 70f can be obtained by reacting according to the procedure described in [77] and others.
- Compound 70f [European Journal of Medicinal Chemistry, 2012, vol. 58, p. 214-227], 70 g of the compound can be obtained.
- Compound 70h can be obtained by reacting according to the procedure described in [11427]-[11431] and the like.
- Compound 70h and allyltributyltin [Angewandte Chemie - International Edition, 2017, vol. 56, No. 21, p.
- Compound 70i can be obtained by reacting according to the procedure described in [5886]-[5889] and the like.
- Compound 70i and tributylvinyltin [Organic Letters, 2018, vol. 20, No. 18, p.
- Compound 70j can be obtained by reacting according to the procedure described in [5680]-[5683] and the like.
- Compound 70j was added to [Chemistry-A European Journal, 2020, vol. 26, No. 8, p.
- Compound A70 can be obtained by reacting according to the procedure described in [1772-1775] and the like.
- Compound A72 is synthesized according to the following synthesis scheme.
- Compound 72a can be obtained by reacting according to the procedure described in [8415]-[8418] and the like.
- Compound 72a and trifluoromethanesulfonic anhydride can be obtained by reacting according to the procedure described in [4242-4253] and the like.
- Compound 72b and benzyl azide [Chemical Science, 2016, vol. 7, No. 8, p.
- Compound 72c can be obtained by reacting according to the procedure described in [5206]-[5211] and the like.
- Compound 72c was synthesized from [Monatshefte fur Chemie, 2010, vol. 141, No. 7, p.
- Compound 72d can be obtained by reacting according to the procedure described in [773]-[779] and the like.
- Compound 72d and 2-(chloromethoxy)ethyltrimethylsilane [Bioorganic and Medicinal Chemistry Letters, 1996, vol. 6, No. 24, p.
- Compound 72e can be obtained by reacting according to the procedure described in [2919]-[2924] and the like.
- Compound 72f can be obtained by reacting Compound 72e with formaldehyde according to the procedure described in [Journal of the American Chemical Society, 2019] and the like.
- Compound 72f [Journal of Medicinal Chemistry, 2021, vol. 64, No. 1, p. 695-710]
- 72 g of the compound can be obtained.
- 72 g of the compound was added to [Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1984, vol. 23, No. 9, p.
- Compound 72h can be obtained by reacting according to the procedure described in [844]-[848] and the like.
- Compound 72h and N-(2-iodophenylmethyl)aniline [Memorial des services chimiques de l' Past, 1946, vol.
- Compound 72i can be obtained by reacting according to the procedure described in [62, 66] and the like. Compound 72i was prepared from [Tetrahedron, 2009, vol. 65, No. 17, p. Compound A72 can be obtained by reacting according to the procedure described in [3409-3416] and the like.
- Control unit 12 Storage unit 13 Communication unit 14
- Display unit 15 Operation unit 121
- Learning model 122 Compound DB 1P program 1A recording medium 2 information terminal device
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Abstract
Description
制御部11は、ステップS11において、抽出条件として、スペクトル幅が0.2eV未満を満たすとの条件を受け付ける。スペクトル幅の閾値は、良好な発光スペクトルを有する既存の発光性化合物におけるスペクトル幅を基準値として、上記基準値に所定のマージンを加味した値が設定されている。
情報処理装置1は、化合物の抽出結果を外部装置へ提供するよう構成されてもよい。図9は、変形例における情報処理装置1及び情報端末装置2の構成例を示すブロック図である。情報端末装置2は、抽出結果の提供を受ける外部装置の一例である。
発光性化合物は、mordredによる分子記述子のSpDiam_Aが5.0以上、AATSC2cが0.003以下、MATS5sが0.17以下、GATS6cが0.6以上、及びAETA_betaが1.6以下を満たす。発光性化合物における分子記述子が上記範囲内において、発光スペクトルが良好である、特にスペクトル幅が狭線化されるとともに、そのような発光性化合物を効率的に得ることができる。
発光性化合物の製造方法は、複数の化合物を準備する準備工程と、準備工程で得られた複数の化合物から、発光性化合物を抽出する抽出工程と、を含む。
組成物は、実施形態の発光性化合物と、正孔輸送材料、正孔注入材料、電子輸送材料、電子注入材料、発光材料、酸化防止剤及び溶媒からなる群より選ばれる少なくとも1種と、を含有する。実施形態の発光性化合物は、1種を単独で又は2種以上を組み合せて用いてもよい。
発光素子は、陽極と、陰極と、前記陽極及び前記陰極の間に設けられた実施形態の発光性化合物を含有する発光層と、を有する。実施形態の発光性化合物は、1種を単独で又は2種以上を組み合せて用いてもよい。
下記合成スキームに従い、化合物A8を合成する。
下記合成スキームに従い、化合物A9を合成する。
下記合成スキームに従い、化合物A13を合成する。
下記合成スキームに従い、化合物A21を合成する。
下記合成スキームに従い、化合物A60を合成する。
下記合成スキームに従い、化合物A66を合成する。
下記合成スキームに従い、化合物A70を合成する。
下記合成スキームに従い、化合物A72を合成する。
上述の実施の形態に示すシーケンスは限定されるものではなく、矛盾の無い範囲で、各処理手順はその順序を変更して実行されてもよく、また並行して複数の処理が実行されてもよい。各処理の処理主体は限定されるものではなく、矛盾の無い範囲で、各装置の処理を他の装置が実行してもよい。
11 制御部
12 記憶部
13 通信部
14 表示部
15 操作部
121 学習モデル
122 化合物DB
1P プログラム
1A 記録媒体
2 情報端末装置
Claims (46)
- 陽極と、陰極と、前記陽極及び前記陰極の間に設けられた発光層と、を有する、発光素子であって、
前記発光層が、mordredによる分子記述子のSpDiam_Aが5.0以上、AATSC2cが0.003以下、MATS5sが0.17以下、GATS6cが0.6以上、及びAETA_betaが1.6以下を満たす発光性化合物を含有する
発光素子。 - 前記発光性化合物が、mordredによる分子記述子のnBが0以上2以下、AATSC3sが-0.2以上0.5以下、C3SP2が0以上30以下、AETA_beta_sが0.5以上1.0以下、SlogP_VSA5が0以上400以下、n5aRingが0以上10以下、n6ARingが0以上10以下、nARingが0以上10以下、AXp-3dが0.10以上0.20以下、SaasCが0以上40以下、及びVabcが100以上2000以下を更に満たす
請求項1に記載の発光素子。 - 前記発光層が、正孔輸送材料、正孔注入材料、電子輸送材料、電子注入材料、発光材料及び酸化防止剤からなる群より選ばれる少なくとも1種を更に含有する
請求項1又は請求項2に記載の発光素子。 - mordredによる分子記述子のSpDiam_Aが5.0以上、AATSC2cが0.003以下、MATS5sが0.17以下、GATS6cが0.6以上、及びAETA_betaが1.6以下を満たす
発光性化合物。 - mordredによる分子記述子のnBが0以上2以下、AATSC3sが-0.2以上0.5以下、C3SP2が0以上30以下、AETA_beta_sが0.5以上1.0以下、SlogP_VSA5が0以上400以下、n5aRingが0以上10以下、n6ARingが0以上10以下、nARingが0以上10以下、AXp-3dが0.10以上0.20以下、SaasCが0以上40以下、及びVabcが100以上2000以下を更に満たす
請求項4に記載の発光性化合物。 - 請求項4又は請求項5に記載の発光性化合物と、
正孔輸送材料、正孔注入材料、電子輸送材料、電子注入材料、発光材料、酸化防止剤及び溶媒からなる群より選ばれる少なくとも1種と、を含有する
組成物。 - 複数の化合物を準備する準備工程と、
前記準備工程で得られた複数の化合物から、発光性化合物を抽出する抽出工程と、を含み、
前記抽出工程において、mordredによる分子記述子のSpDiam_Aが5.0以上、AATSC2cが0.003以下、MATS5sが0.17以下、GATS6cが0.6以上、AETA_betaが1.6以下、AATSC3sが-0.2以上0.5以下、C3SP2が0以上30以下、AETA_beta_sが0.5以上1.0以下、SlogP_VSA5が0以上400以下、n5aRingが0以上10以下、及びn6ARingが0以上10以下のうちの少なくとも1つを満たす発光性化合物を抽出する
発光性化合物の製造方法。 - 複数の化合物を準備する準備工程と、
前記準備工程で得られた複数の化合物から、発光スペクトルの半値幅が所定値未満である発光性化合物を抽出する抽出工程と、を含み、
前記抽出工程において、mordredによる分子記述子のSpDiam_Aが5.0以上、AATSC2cが0.003以下、MATS5sが0.17以下、GATS6cが0.6以上、AETA_betaが1.6以下、AATSC3sが-0.2以上0.5以下、C3SP2が0以上30以下、AETA_beta_sが0.5以上1.0以下、SlogP_VSA5が0以上400以下、n5aRingが0以上10以下、及びn6ARingが0以上10以下のうちの少なくとも1つを満たす発光性化合物を抽出する
発光性化合物の製造方法。 - 請求項7又は請求項8に記載の製造方法により製造された発光性化合物と、
正孔輸送材料、正孔注入材料、電子輸送材料、電子注入材料、発光材料、酸化防止剤及び溶媒からなる群より選ばれる少なくとも1種と、を混合する工程を含む
組成物の製造方法。 - 陽極と、陰極と、前記陽極及び前記陰極の間に設けられた発光層と、を有する、発光素子の製造方法であって、
請求項7又は請求項8に記載の製造方法により製造された発光性化合物を用いて前記発光層を形成する工程を含む
発光素子の製造方法。 - 複数の候補となる化合物における量子化学計算により求めたスペクトル指標を取得し、
取得した前記スペクトル指標に基づき、各化合物を、スペクトル指標が所定条件を満たすグループと、スペクトル指標が所定条件を満たさないグループとに分類し、
前記スペクトル指標が所定条件を満たすグループに分類された発光性化合物を抽出する
情報処理方法。 - 前記スペクトル指標及び既知の化合物を記憶したデータベースに基づき、前記各化合物を、前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されていないグループと、前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されているグループと、前記スペクトル指標が所定条件を満たさないグループと、に分類し、
前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されていないグループに分類された発光性化合物を抽出する
請求項11に記載の情報処理方法。 - 前記各化合物における分子記述子毎の値を取得し、
取得した前記各化合物における分子記述子毎の値と前記各化合物の属するグループとに基づき、前記スペクトル指標が所定条件を満たすグループと、前記スペクトル指標が所定条件を満たさないグループとを分離可能な分子記述子の組み合わせ及び各分子記述子の値の範囲を特定する
請求項11又は請求項12に記載の情報処理方法。 - 前記各化合物における分子記述子毎の値を取得し、
取得した前記各化合物における分子記述子毎の値と前記各化合物の属するグループとに基づき、前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されていないグループを、前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されているグループ及び前記スペクトル指標が所定条件を満たさないグループから分離可能な分子記述子の組み合わせ及び各分子記述子の値の範囲を特定する
請求項11から請求項13のいずれか1項に記載の情報処理方法。 - 特定した前記分子記述子の組み合わせ及び各分子記述子の値の範囲を満たす発光性化合物を抽出する
請求項13又は請求項14のいずれか1項に記載の情報処理方法。 - 複数の分子記述子の組み合わせ値をグループ毎にマッピングしたマッピングデータに基づき、前記分子記述子の組み合わせ及び各分子記述子の値の範囲を特定する
請求項13から請求項15のいずれか1項に記載の情報処理方法。 - 複数の分子記述子の組み合わせ値をグループ毎にマッピングしたマッピングデータと、特定した各分子記述子の値の範囲とを出力する
請求項13から請求項16のいずれか1項に記載の情報処理方法。 - 特定した複数の分子記述子と、各分子記述子の値の範囲とを出力する
請求項13から請求項17のいずれか1項に記載の情報処理方法。 - 前記分子記述子の組み合わせ及び各分子記述子の値の範囲が、mordredによる分子記述子のSpDiam_Aが5.0以上、AATSC2cが0.003以下、MATS5sが0.17以下、GATS6cが0.6以上、及びAETA_betaが1.6以下を満たす発光性化合物を抽出する
請求項13から請求項18のいずれか1項に記載の情報処理方法。 - 前記分子記述子の組み合わせ及び各分子記述子の値の範囲が、mordredによる分子記述子のnBが0以上2以下、AATSC3sが-0.2以上0.5以下、C3SP2が0以上30以下、AETA_beta_sが0.5以上1.0以下、SlogP_VSA5が0以上400以下、n5aRingが0以上10以下、n6ARingが0以上10以下、nARingが0以上10以下、AXp-3dが0.10以上0.20以下、SaasCが0以上40以下、及びVabcが100以上2000以下を更に満たす発光性化合物を抽出する
請求項19に記載の情報処理方法。 - 特定した前記分子記述子の組み合わせ及び各分子記述子の値の範囲を満たす発光性化合物を、既知の化合物を記憶したデータベースに追加する
請求項13から請求項20のいずれか1項に記載の情報処理方法。 - 請求項11から請求項21のいずれか1項に記載の情報処理方法により発光性化合物を抽出する工程と、
抽出した前記発光性化合物を得る工程と、を含む
発光性化合物の製造方法。 - 複数の候補となる化合物における量子化学計算により求めたスペクトル指標を取得し、
取得した前記スペクトル指標に基づき、各化合物を、スペクトル指標が所定条件を満たすグループと、スペクトル指標が所定条件を満たさないグループとに分類し、
前記スペクトル指標が所定条件を満たすグループに分類された発光性化合物を抽出する
処理を実行する制御部を備える
情報処理装置。 - 複数の候補となる化合物における量子化学計算により求めたスペクトル指標を取得し、
取得した前記スペクトル指標に基づき、各化合物を、スペクトル指標が所定条件を満たすグループと、スペクトル指標が所定条件を満たさないグループとに分類し、
前記スペクトル指標が所定条件を満たすグループに分類された発光性化合物を抽出する
処理をコンピュータに実行させるためのプログラム。 - 複数の候補となる化合物を生成し、
生成した各化合物の分子記述子毎の値を取得し、
化合物の分子記述子の値を入力した場合に、該化合物のスペクトル指標を出力するよう学習されたモデルに、得られた前記各化合物の分子記述子の値を入力してスペクトル指標を特定し、
特定したスペクトル指標が所定条件を満たす発光性化合物を抽出する
情報処理方法。 - 前記モデルは、化合物の分子記述子の値と、量子化学計算により求めたスペクトル指標とを対応付けた訓練データにより学習されている
請求項25に記載の情報処理方法。 - 前記モデルにより特定したスペクトル指標が所定条件を満たす発光性化合物に対し、量子化学計算によりスペクトル指標をさらに算出する
請求項25又は請求項26に記載の情報処理方法。 - 前記スペクトル指標が所定条件を満たす発光性化合物に対応付けて、前記スペクトル指標及び分子記述子毎の値を記憶する
請求項25から請求項27のいずれか1項に記載の情報処理方法。 - 前記スペクトル指標に基づき、前記各化合物を、前記スペクトル指標が所定条件を満たすグループと、前記スペクトル指標が所定条件を満たさないグループとに分類する
請求項25から請求項28のいずれか1項に記載の情報処理方法。 - 前記スペクトル指標及び既知の化合物を記憶したデータベースに基づき、前記各化合物を、前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されていないグループと、前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されているグループと、前記スペクトル指標が所定条件を満たさないグループと、に分類する
請求項25から請求項29のいずれか1項に記載の情報処理方法。 - 前記各化合物における分子記述子毎の値と前記各化合物の属するグループとに基づき、前記スペクトル指標が所定条件を満たすグループ又は前記スペクトル指標が所定条件を満たし、且つ既知の化合物として記憶されていないグループを他のグループから分離可能な分子記述子の組み合わせ及び各分子記述子の値の範囲を特定する
請求項29又は請求項30に記載の情報処理方法。 - 複数の分子記述子の組み合わせ値をグループ毎にマッピングしたマッピングデータに基づき、前記分子記述子の組み合わせ及び各分子記述子の値の範囲を特定する
請求項31に記載の情報処理方法。 - 前記分子記述子の組み合わせの特定において、前記モデルにおける寄与度の高い分子記述子を優先的に使用する
請求項31又は請求項32に記載の情報処理方法。 - 請求項25から請求項33のいずれか1項に記載の情報処理方法により発光性化合物を抽出する工程と、
抽出した前記発光性化合物を得る工程と、を含む
発光性化合物の製造方法。 - コンピュータにより生成された候補となる複数の化合物から抽出された、化合物の分子記述子の値を入力した場合に、該化合物のスペクトル指標を出力するよう学習されたモデルを用いて特定されたスペクトル指標が所定条件を満たす発光性化合物を出力する
発光性化合物の提供方法。 - コンピュータにより生成された候補となる複数の化合物と、各化合物に対する量子化学計算により算出されたスペクトル指標と、を対応付けて記憶し、
前記各化合物における分子記述子毎の値を前記各化合物にさらに対応付けて記憶する
データ生成方法。 - 前記各化合物は、化合物の分子記述子を入力した場合に、該化合物のスペクトル指標を出力するよう学習されたモデルに、前記各化合物の分子記述子の値を入力することによりスペクトル指標が特定されており、
前記モデルにより特定されたスペクトル指標が所定条件を満たす化合物を記憶する
請求項36に記載のデータ生成方法。 - 前記各化合物に対する量子化学計算により算出されたスペクトル指標に応じたフラグを、前記各化合物に対応付けて記憶する
請求項36又は請求項37に記載のデータ生成方法。 - 既知の化合物か否かを示すフラグを、前記各化合物に対応付けて記憶する
請求項36から請求項38のいずれか1項に記載のデータ生成方法。 - 前記各化合物に対応付けて記憶されるフラグに基づき、前記スペクトル指標が所定条件を満たす化合物又は既知の化合物でない化合物を特定する
請求項36から請求項39のいずれか1項に記載のデータ生成方法。 - 既知の化合物が得られた場合、前記既知の化合物に対し既知の化合物であることを示すフラグを新たに生成する
請求項36から請求項40のいずれか1項に記載のデータ生成方法。 - 化合物に希望する特性の条件を取得し、
複数の候補となる化合物をコンピュータにより生成し、
生成した各化合物の分子記述子毎の値を取得し、
化合物の分子記述子の値を入力した場合に該化合物の特性を出力するよう学習されたモデルを用いて、生成した各化合物の中から化合物の特性が前記条件を満たす化合物を抽出し、
抽出した化合物に対する量子化学計算により特性を算出し、
量子化学計算により算出した特性が前記条件を満たす化合物を特定し、
特定した化合物及び該化合物の特性を出力する
情報処理方法。 - 各化合物の特性と、既知の化合物を記憶したデータベースとに基づき、各化合物を、化合物の特性が前記条件を満たし、且つ既知の化合物として記憶されていないグループと、化合物の特性が前記条件を満たし、且つ既知の化合物として記憶されているグループと、化合物の特性が前記条件を満たさないグループと、に分類する
請求項42に記載の情報処理方法。 - 前記各化合物の分子記述子毎の値に基づき、前記化合物の特性が前記条件を満たし、且つ既知の化合物として記憶されていないグループを他のグループから分離可能な分子記述子の組み合わせ及び各分子記述子の値の範囲を特定し、
特定した複数の分子記述子と、各分子記述子の値の範囲とを出力する
請求項42又は請求項43に記載の情報処理方法。 - 化合物に希望する特性の条件を受け付け、
受け付けた前記条件を満たす化合物の複数の分子記述子と、各分子記述子の値の範囲と取得し、
取得した前記複数の分子記述子と、各分子記述子の値の範囲とを表示する
情報処理方法。 - 前記条件を満たす化合物の抽出処理における分子記述子の寄与度を示す情報を表示する
請求項45に記載の情報処理方法。
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| JP2023140356A (ja) | 2023-10-04 |
| JP2023140012A (ja) | 2023-10-04 |
| TW202400752A (zh) | 2024-01-01 |
| JP2023140357A (ja) | 2023-10-04 |
| KR20240159955A (ko) | 2024-11-07 |
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| US20250261501A1 (en) | 2025-08-14 |
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