[go: up one dir, main page]

JP2005112810A5 - - Google Patents

Download PDF

Info

Publication number
JP2005112810A5
JP2005112810A5 JP2003350882A JP2003350882A JP2005112810A5 JP 2005112810 A5 JP2005112810 A5 JP 2005112810A5 JP 2003350882 A JP2003350882 A JP 2003350882A JP 2003350882 A JP2003350882 A JP 2003350882A JP 2005112810 A5 JP2005112810 A5 JP 2005112810A5
Authority
JP
Japan
Prior art keywords
difluoromethyl
benzyl
reaction
added
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003350882A
Other languages
Japanese (ja)
Other versions
JP4465674B2 (en
JP2005112810A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2003350882A priority Critical patent/JP4465674B2/en
Priority claimed from JP2003350882A external-priority patent/JP4465674B2/en
Publication of JP2005112810A publication Critical patent/JP2005112810A/en
Publication of JP2005112810A5 publication Critical patent/JP2005112810A5/ja
Application granted granted Critical
Publication of JP4465674B2 publication Critical patent/JP4465674B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

ジフルオロメチルスルホニルアニリド誘導体のあるものは除草剤として有用であることが知られている。本発明はジフルオロメチルスルホニル基の導入に用いるジフルオロメチルスルニルクロライドを製造する際に、前駆体として有用なベンジル(ジフルオロメチル)スルフィド化合物を製造する方法に関するものである。 Certain difluoromethylsulfonylanilide derivatives are known to be useful as herbicides. The present invention is in the production difluoromethyl sul ho Nirukuroraido used for introduction of the difluoromethyl sulfonyl group, to a method for producing a useful benzyl (difluoromethyl) sulfide compound as a precursor.

本発明は、下記〔1〕乃至〔〕項に記載の発明を提供する事により前記課題を解決したものである。
〔1〕一般式(1)
This invention solves the said subject by providing the invention as described in the following [1] thru | or [ 9 ] item.
[1] General formula (1)

〔4〕Xが塩素原子である、〔1〕ないし〔〕のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 [4] The method for producing a benzyl (difluoromethyl) sulfide compound according to any one of [1] to [ 3 ], wherein X 2 is a chlorine atom.

〔5がアルカリ金属である、〔1〕乃至〔4〕のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 [5 ] The method for producing a benzyl (difluoromethyl) sulfide compound according to any one of [1] to [4], wherein X 1 is an alkali metal.

〔6〕有機層が芳香族炭化水素、脂肪族炭化水素、ハロゲン化炭化水素、脂環式炭化水素、エーテル系溶媒、又はエステル系溶媒のいずれかを含むものである、〔1〕乃至〔〕のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 [6] The organic layer contains any one of an aromatic hydrocarbon, an aliphatic hydrocarbon, a halogenated hydrocarbon, an alicyclic hydrocarbon, an ether solvent, or an ester solvent, [1] to [ 5 ] The manufacturing method of the benzyl (difluoromethyl) sulfide compound of any one of Claims.

〔7〕有機層が芳香族炭化水素を含むものである、〔1〕乃至〔〕のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 [7] The method for producing a benzyl (difluoromethyl) sulfide compound according to any one of [1] to [ 5 ], wherein the organic layer contains an aromatic hydrocarbon.

〔8〕相間移動触媒が四級アンモニウム塩、四級ホスホニウム塩、クラウンエーテル類、ポリエチレングリコール類である、〔〕乃至〔〕項のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 [8] The benzyl (difluoromethyl) sulfide compound according to any one of [ 2 ] to [ 7 ], wherein the phase transfer catalyst is a quaternary ammonium salt, a quaternary phosphonium salt, a crown ether, or a polyethylene glycol. Manufacturing method.

〔9〕相間移動触媒が四級アンモニウム塩である、〔〕乃至〔〕のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 [9] The method for producing a benzyl (difluoromethyl) sulfide compound according to any one of [ 2 ] to [ 7 ], wherein the phase transfer catalyst is a quaternary ammonium salt.

当反応は相間移動触媒を用いずとも反応が進行するものであるが、反応速度や目的物収率を高めるといった観点からは相間移動触媒を用いることが好ましい。当反応に用いうる相間移動触媒としては、相間移動触媒として機能しうる化合物であれば差し支えないが、例えば、テトラブチルアンモニウムブロミド、トリ−n−オクチルメチルアンモニウムクロリド(株式会社 同仁科学研究所から「カプリコート」なる商品名で市販されている。)、テトラブチルアンモニウムクロリド等の四級アンモニウム塩;テトラフェニルホスホニウムブロミド、テトラフェニルホスホニウムクロリド等の四級ホスホニウム塩;18−クラウン−6、ジベンゾ−18−クラウン−6等のクラウンエーテル類;PEG−300(数平均分子量300のポリエチレングリコール)、PEG−400(数平均分子量400のポリエチレングリコール)、PEG−600(数平均分子量00のポリエチレングリコール)等のポリエチレングリコール類を例示することができるが、好ましくは四級アンモニウム塩を用いるのが良く、特に好ましくはテトラブチルアンモニウムブロミドを用いて行なうのがよい。 Although this reaction proceeds without using a phase transfer catalyst, it is preferable to use a phase transfer catalyst from the viewpoint of increasing the reaction rate and the yield of the target product. The phase transfer catalyst that can be used for this reaction is not limited as long as it is a compound that can function as a phase transfer catalyst. Quaternary ammonium salts such as tetrabutylammonium chloride; quaternary phosphonium salts such as tetraphenylphosphonium bromide and tetraphenylphosphonium chloride; 18-crown-6, dibenzo-18 - crown ethers such as crown; (polyethylene glycol having a number average molecular weight 300) PEG-300, (polyethylene glycol having a number average molecular weight of 400) PEG-400, PEG- 600 ( polyethylene glycol having a number average molecular weight of 6 00) It can be exemplified polyethylene glycols, preferably better to use a quaternary ammonium salt, particularly preferably may be carried out using tetrabutylammonium bromide.

反応器への原料等の添加順序及び反応方法は特に制限されないが、好適な例としては、水及び有機層中に相間移動触媒を加え、これにベンジルメルカプタン化合物を加え溶解させ、次いで、ハロゲン化ジフルオロメタンを導入することにより反応を行い、ベンジル(ジフルオロメチル)フルフィド化合物を得る方法が挙げられる。 Order of addition and reaction methods raw materials to the reactor is not particularly limited, suitable examples include a phase transfer catalyst was added to the aqueous and organic layers, this was dissolved by adding benzyl mercaptan compound and then, halogen A method of reacting by introducing difluoromethane to obtain a benzyl (difluoromethyl) fluoride compound is mentioned.

反応終了後、有機層に抽出されている一般式(3)で表されるベンジル(ジフルオロメチル)ルフィド化合物は単離することなく溶液のままを他の反応に用いることもできるし、蒸留などにより一般式(3)で表されるベンジル(ジフルオロメチル)フルフィド化合物を単離することもできる。 After completion of the reaction, benzyl (difluoromethyl) S Rufido compound represented by the general formula (3), which is extracted into the organic layer can either be used remains of the solution to the other reaction without isolation, distillation, etc. The benzyl (difluoromethyl) fluoride compound represented by the general formula (3) can also be isolated.

当反応によれば、相間移動触媒存在下、有機層と水の二層系で反応し、一般式(3)で表されるベンジル(ジフルオロメチル)ルフィド化合物が生成する。得られる一般式(3)で表されるベンジル(ジフルオロメチル)ルフィド化合物は、ジフルオロメチルフルホニルクロライドの前駆体として有用な化合物である。 According to those reaction, a phase transfer catalyst presence, reacted in a two-layer system of an organic layer and an aqueous, benzyl (difluoromethyl) S Rufido compound represented by the general formula (3) is produced. Benzyl represented by the resulting formula (3) (difluoromethyl) S Rufido compound is a compound useful as a precursor of difluoromethyl full Honi chloride.

次に、実施例を挙げて本発明の製造方法を具体的に説明するが、本発明は、これら実施例によって何ら限定されるものではない。 Next, a detailed explanation of the manufacturing method of the present onset bright to examples, the present invention is not intended to be limited to these examples.

次いで、クロロジフルオロメタン10.0gを4時間かけて導入し、48%水酸化カリウム水溶液11.6g(0.1mol)を加えた。クロロジフルオロメタン2.7gを40分かけて導入し反応した。反応終了後、水50mlを加え分液した。有機層を更に水25mlで洗浄し、ベンジル(ジフルオロメチル)スルフィドのトルエン溶液を54.8g(収率88.4%)得た。 Next, 10.0 g of chlorodifluoromethane was introduced over 4 hours, and 11.6 g (0.1 mol) of a 48% aqueous potassium hydroxide solution was added. 2.7 g of chlorodifluoromethane was introduced over 40 minutes to react. After completion of the reaction, 50 ml of water was added for liquid separation. The organic layer was further washed with 25 ml of water to obtain 54.8 g (yield: 88.4% ) of a toluene solution of benzyl (difluoromethyl) sulfide.

次いで、クロロジフルオロメタン10.0gを4.5時間かけて導入し、48%水酸化カリウム水溶液11.6g(0.1mol)を加えた。クロロジフルオロメタン2.7gを1時間かけて導入し反応した。反応終了後、水50mlを加え分液した。有機層を更に水25mlで洗浄し、ベンジル(ジフルオロメチル)スルフィドのキシレン溶液を62.4g(収率86.8%)得た。 Next, 10.0 g of chlorodifluoromethane was introduced over 4.5 hours, and 11.6 g (0.1 mol) of a 48% aqueous potassium hydroxide solution was added. 2.7 g of chlorodifluoromethane was introduced and reacted over 1 hour. After completion of the reaction, 50 ml of water was added for liquid separation. The organic layer was further washed with 25 ml of water to obtain 62.4 g (yield: 86.8% ) of a xylene solution of benzyl (difluoromethyl) sulfide.

次いでクロロジフルオロメタン10.0gを2.5時間かけて導入し、48%水酸化カリウム水溶液11.6g(0.1mol)を加えた。クロロジフルオロメタン2.7gを40分かけて導入し反応した。反応終了後、水50mlを加え分液した。有機層を更に水25mlで洗浄し、ベンジル(ジフルオロメチル)スルフィドのクロロベンゼン溶液を76.0g(収率82.9%)得た。 Next, 10.0 g of chlorodifluoromethane was introduced over 2.5 hours, and 11.6 g (0.1 mol) of a 48% aqueous potassium hydroxide solution was added. 2.7 g of chlorodifluoromethane was introduced over 40 minutes to react. After completion of the reaction, 50 ml of water was added for liquid separation. The organic layer was further washed with 25 ml of water to obtain 76.0 g (yield 82.9% ) of a chlorobenzene solution of benzyl (difluoromethyl) sulfide.

次いで、クロロジフルオロメタン15.0gを5時間かけて導入し、48%水酸化カリウム水溶液11.6g(0.1mol)を加えた。クロロジフルオロメタン7.7gを4時間かけて導入し反応した。反応終了後、水50mlを加え分液した。有機層を更に水25mlで洗浄し、ベンジル(ジフルオロメチル)スルフィドのクロロベンゼン溶液を64.6g(収率45.0%)得た。 Next, 15.0 g of chlorodifluoromethane was introduced over 5 hours, and 11.6 g (0.1 mol) of a 48% aqueous potassium hydroxide solution was added. 7.7 g of chlorodifluoromethane was introduced over 4 hours to react. After completion of the reaction, 50 ml of water was added for liquid separation. The organic layer was further washed with 25 ml of water to obtain 64.6 g (yield: 45.0% ) of a chlorobenzene solution of benzyl (difluoromethyl) sulfide.

実施例7:ベンジル(ジフルオロメチル)スルフィドの合成
200mlの四径フラスコに水50ml、クロロベンゼン50mlを加え、水酸化カリウム28.1g(0.5mol)、PEG−400を0.90g加えた。窒素雰囲気下、攪拌しながら60℃まで昇温した。ベンジルチオロニウム塩酸塩20.4g(0.1mol)を加え、40分熟成した後、40℃まで冷却し、ベンジルメルカプタンカリウム塩を系内で調製した。
Example 7: Benzyl (difluoromethyl) water 50ml four-neck flask Synthesis 200ml sulfide, chlorobenzene 50ml was added, potassium hydroxide 28.1 g (0.5 mol), the PEG-400 was e 0.90 g pressurized. The temperature was raised to 60 ° C. with stirring in a nitrogen atmosphere. After adding 20.4 g (0.1 mol) of benzylthioronium hydrochloride and aging for 40 minutes, the mixture was cooled to 40 ° C. to prepare benzyl mercaptan potassium salt in the system.

次いで、クロロジフルオロメタン15.0gを12時間かけて導入し、48%水酸化カリウム水溶液11.6g(0.1mol)を加えた。クロロジフルオロメタン4.2gを6時間かけて導入し反応した。反応終了後、水50ml、クロロベンゼン50mlを加え分液した。有機層を更に水25mlで洗浄し、ベンジル(ジフルオロメチル)スルフィドのクロロベンゼン溶液を72.4g(収率84.4%)得た。 Next, 15.0 g of chlorodifluoromethane was introduced over 12 hours, and 11.6 g (0.1 mol) of a 48% aqueous potassium hydroxide solution was added. The reaction was carried out by introducing 4.2 g of chlorodifluoromethane over 6 hours. After completion of the reaction, 50 ml of water and 50 ml of chlorobenzene were added for liquid separation. The organic layer was further washed with 25 ml of water to obtain 72.4 g (yield: 84.4% ) of a chlorobenzene solution of benzyl (difluoromethyl) sulfide.

次いで、クロロジフルオロメタン11.4gを9時間かけて導入し反応した。反応終了後、水50mlを加え分液した。有機層を更に水25mlで洗浄し、ベンジル(ジフルオロメチル)スルフィドのクロロベンゼン溶液を64.4g(収率45.4%)得た。 Subsequently, 11.4 g of chlorodifluoromethane was introduced over 9 hours to react. After completion of the reaction, 50 ml of water was added for liquid separation. The organic layer was further washed with 25 ml of water to obtain 64.4 g (yield 45.4% ) of a chlorobenzene solution of benzyl (difluoromethyl) sulfide.

次いで、クロロジフルオロメタン11.2gを4時間かけて導入し、48%水酸化カリウム水溶液11.6g(0.1mol)を加えた。クロロジフルオロメタン4.1gを1時間かけて導入し反応した。反応終了後、水50mlを加え分液した。有機層を更に水25mlで洗浄し、ベンジル(ジフルオロメチル)スルフィドのクロロベンゼン溶液を65.7g(収率82.4%)得た。 Next, 11.2 g of chlorodifluoromethane was introduced over 4 hours, and 11.6 g (0.1 mol) of a 48% aqueous potassium hydroxide solution was added. The reaction was carried out by introducing 4.1 g of chlorodifluoromethane over 1 hour. After completion of the reaction, 50 ml of water was added for liquid separation. The organic layer was further washed with 25 ml of water to obtain 65.7 g (yield: 82.4% ) of a chlorobenzene solution of benzyl (difluoromethyl) sulfide.

Claims (2)

相間移動触媒が四級アンモニウム塩、四級ホスホニウム塩、クラウンエーテル類、又はポリエチレングリコール類のいずれかである、請求項乃至7のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 The production of a benzyl (difluoromethyl) sulfide compound according to any one of claims 2 to 7, wherein the phase transfer catalyst is any one of a quaternary ammonium salt, a quaternary phosphonium salt, a crown ether, or a polyethylene glycol. Method. 相間移動触媒が四級アンモニウム塩である、請求項乃至7のいずれか1項に記載のベンジル(ジフルオロメチル)スルフィド化合物の製造方法。 The method for producing a benzyl (difluoromethyl) sulfide compound according to any one of claims 2 to 7, wherein the phase transfer catalyst is a quaternary ammonium salt.
JP2003350882A 2003-10-09 2003-10-09 Method for producing benzyl (difluoromethyl) sulfide compound Expired - Lifetime JP4465674B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003350882A JP4465674B2 (en) 2003-10-09 2003-10-09 Method for producing benzyl (difluoromethyl) sulfide compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003350882A JP4465674B2 (en) 2003-10-09 2003-10-09 Method for producing benzyl (difluoromethyl) sulfide compound

Publications (3)

Publication Number Publication Date
JP2005112810A JP2005112810A (en) 2005-04-28
JP2005112810A5 true JP2005112810A5 (en) 2006-11-24
JP4465674B2 JP4465674B2 (en) 2010-05-19

Family

ID=34542311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003350882A Expired - Lifetime JP4465674B2 (en) 2003-10-09 2003-10-09 Method for producing benzyl (difluoromethyl) sulfide compound

Country Status (1)

Country Link
JP (1) JP4465674B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5550568B2 (en) * 2009-01-27 2014-07-16 国立大学法人九州大学 Method for producing thio compound by conversion of dithiocarbamate
CN116063208A (en) * 2023-02-13 2023-05-05 安徽省化工研究院 Synthesis method of difluoromethane sulfonyl chloride

Similar Documents

Publication Publication Date Title
US11230517B2 (en) Method for aromatic fluorination
Bouvet et al. Solvent free nucleophilic introduction of fluorine with [bmim][F]
CN103635459B (en) The manufacture method of fluorosulfuric acid virtue cyclic esters
JP5106048B2 (en) Process for producing benzenes having a perfluoroalkyl group
US20230098051A1 (en) Process for the preparation of lasmiditan and of a synthesis intermediate
JP2005112810A5 (en)
ES2562498T3 (en) Process to produce indole compounds
JP2003335735A (en) Method for producing perfluoroisopropylaniline
JPS59104364A (en) Novel pyrimidine derivative and its preparation
JPS6241694B2 (en)
US9376384B2 (en) Diaryliodonium salt
JP4465674B2 (en) Method for producing benzyl (difluoromethyl) sulfide compound
CN1953957B (en) Process for preparing dialkyl dicarbonates
JP3960048B2 (en) Process for producing substituted benzenes
JP2012214401A (en) Method for manufacturing alkanoyl diaryl sulfide
JP2011042662A (en) Process for preparing tribromomethylsulfonylpyridine
JP3174968B2 (en) Method for producing 2-halogeno-6-substituted thiobenzonitrile
JP2003104951A (en) Method for producing perfluoroalkylsulfonyl halide
JP2000053650A (en) Production of fluorinating agent
JP2008303173A (en) Method for producing dimethyl thiodiglycolate
JP5090711B2 (en) Process for producing 2,6-diamino-8,8-bis (perfluoroalkyl) -8H-purines
JPH06306043A (en) Production of alkylsulfonyl chloride
JPS6155504B2 (en)
JP5205875B2 (en) Method for producing 2- (4-vinylarylsulfanyl) tetrahydropyran compound and aromatic hydrocarbon solution thereof
RU2209198C2 (en) Method for preparing fluoro-containing heterocyclic compounds