WO2002012253A1 - Utilisation de diphosphines chirales comme ligands optiquement actifs - Google Patents
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- WO2002012253A1 WO2002012253A1 PCT/FR2001/002550 FR0102550W WO0212253A1 WO 2002012253 A1 WO2002012253 A1 WO 2002012253A1 FR 0102550 W FR0102550 W FR 0102550W WO 0212253 A1 WO0212253 A1 WO 0212253A1
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- C—CHEMISTRY; METALLURGY
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- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0046—Ruthenium compounds
- C07F15/0053—Ruthenium compounds without a metal-carbon linkage
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- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
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- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
- B01J31/2414—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom comprising aliphatic or saturated rings
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/31—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of functional groups containing oxygen only in singly bound form
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- C07—ORGANIC CHEMISTRY
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/5027—Polyphosphines
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/50—Redistribution or isomerisation reactions of C-C, C=C or C-C triple bonds
- B01J2231/52—Isomerisation reactions
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- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/643—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of R2C=O or R2C=NR (R= C, H)
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/645—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0202—Polynuclearity
- B01J2531/0208—Bimetallic complexes, i.e. comprising one or more units of two metals, with metal-metal bonds but no all-metal (M)n rings, e.g. Cr2(OAc)4
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0261—Complexes comprising ligands with non-tetrahedral chirality
- B01J2531/0266—Axially chiral or atropisomeric ligands, e.g. bulky biaryls such as donor-substituted binaphthalenes, e.g. "BINAP" or "BINOL"
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/20—Complexes comprising metals of Group II (IIA or IIB) as the central metal
- B01J2531/26—Zinc
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/30—Complexes comprising metals of Group III (IIIA or IIIB) as the central metal
- B01J2531/31—Aluminium
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
- B01J2531/42—Tin
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
- B01J2531/46—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/821—Ruthenium
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/827—Iridium
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Definitions
- the subject of the present invention is the use of irid diphosphines as optically active ligands for the preparation of diphosphino-metallic complexes.
- the invention also relates to diphosphino-metallic complexes comprising a chiral disphophin as a ligand and the asymmetric catalysis methods using these complexes.
- the invention more particularly contemplates the use of these diphosphino-metallic complexes in asymmetric hydrogenation or isomerization processes for the synthesis of organic products with desired chirality.
- the Applicant has now designed new diphosphino-metallic complexes comprising a chiral disphophine as an optically active ligand which are particularly useful for the synthesis of organic products with desired chirality with very high yields and enantioselectivity.
- the subject of the invention is therefore the use of a chiral diphosphine (R) or (S) of formula (I):
- R and Ri identical or different, represent a C 1 _ 10 alkyl group, saturated or unsaturated, a C 3 cycloalkyl group. 9 saturated or unsaturated, a C 5 _ 10 aryl group, said groups being optionally substituted by a halogen, a hydroxy, a C x 5 alkoxy, an amino such as NH 2 , NHR 4 , N (R 4 ) 2 , a sulfino, a sulfonyl, with R 4 representing an alkyl, an alkoxy or an alkylcarbonyl, said alkyl, cycloalkyl or aryl groups possibly comprising one or more heteroatoms such as 0, N, S, Si, or also R and Ri, together , represent a substituted or unsaturated C 2 _ 6 alkyl group, a saturated or unsaturated C 3 _ 9 cycloalkyl group, a C 5 _ 10 aryl group, said cycloalkyl or ary
- R2 and R3, identical or different, represent a C 3 cycloalkyl group. 8 saturated or no, an aryl eh C 6 _ 10 , said groups being optionally substituted by a halogen, a hydroxy, a C 1 _ 5 alkoxy, an amino such as NH 2 , NHR 4 , N (R 4 ) 2 , a sulfino, a sulfonyl, with R 4 representing an alkyl, an alkoxy or an alkylcarbonyl, said cycloalkyl or aryl groups optionally comprising one or more heteroatoms such as 0, N, S, Si, or also, R2 and R3 together form a carbocycle group at C 4 _ 8 saturated or not, a C 5 _ 10 aryl group, said groups being optionally substituted by a halogen, a hydroxy, a C x 5 alkoxy, an amino such as NH 2 , NHR 4 , N (R 4 ) 2
- the chiral diphosphines of formula (I) can be used according to the invention for the preparation of several types of diphosphino-metallic complexes.
- a first group of diphosphino-metallic complexes prepared using the chiral diphosphines of formula (I) according to the invention corresponds to the following formula (II):
- M represents a metal such as ruthenium, rhodium or irridium
- X represents a halogen such as chlorine, bromine, fluorine or iodine
- Sv represents a tertiary amine, a ketone, an ether
- L represents a chiral diphosphine (R) or (S), of formula (I) above; y is an integer, 0 or 1; x is an integer, equal to 1 or 2; z is an integer, equal to 1 or 4; p is an integer, equal to 0 or 1.
- diphosphino-metallic complexes of formula (II) the invention more particularly contemplates the complexes of formulas (IIA) and (IIB).
- N (Et) 3 also designated Di [2, 2 '-bis (diphenylphosphino) (R) or (S) -6,6'- ditrimethylacetoxybiphenyl] -tetrachloro diruthenium triethylamine,
- a second group of diphosphino-metallic complexes prepared using the chiral diphosphines of formula (I) according to the invention corresponds to the following formula (III):
- Ar represents an olefin such as ethylene, 1, 3-butadiene, cyclohexadiene, norbonadiene, cycloocta-1, 5-diene, a pi-allyl, a nitrile such as acetonitrile, an arene of formula ( IV):
- R5, R6, R7, R8, R9 and RIO are chosen from a hydrogen atom, a 1 alkyl group in 1 _ 5 , an isoalkyl group, a tertioalkyl group ⁇ , an alkoxy group, said groups comprising one or more heteroatoms such as 0, N and Si;
- Y represents an anion, such as C10 4 " , BF 4 " , PF 6 " ; j is an integer equal to 0 or 1; m is an integer equal to 1.2 or 4; n is an integer equal to 1 or 2.
- a third group of diphosphino-metallic complexes prepared using the chiral diphosphines of formula (I) according to the invention corresponds to the following formula (V):
- M, X and L have the same definitions as in formula (II), and R 1X and R 12 , identical or different, represent a phenyl or a phenyl substituted by an alkyl, an alkoxy or a dialkylamino.
- a fourth group of diphosphino-metallic complexes prepared using the chiral diphosphines of formula (I) according to the invention corresponds to the following formula (VI):
- M and L have the same meaning as in formula (II) and Z represents an acetate group of formula R 13 C00 ⁇ , diacetate of formula " OOCR 13 COO " , an aminoacetate of formula R 13 CH (NH 2 ) C00 ⁇ , wherein R 13 represents a C x _ 4 haloalkyl C x _ 4, a phenyl substituted or not.
- a fifth group of diphosphino-metallic complexes prepared using the chiral diphosphines of formula (I) according to the invention corresponds to the following formula (VII):
- M, L and X have the same meaning as in formula (II); W represents zinc, aluminum, titanium or tin;
- a sixth group of diphosphino-metallic complexes prepared using the chiral diphosphines of formula (I) according to the invention corresponds to the following formula (VIII):
- Y represents an anion, such as C10 4 _ , BF 4 " , PF 6 ⁇ .
- a seventh group of diphosphino-metallic complexes prepared using chiral diphosphines of formula (I) according to the invention corresponds to the following formula (IX):
- R2 and R3 have the same meanings as in formula (I).
- R2 and R3 have the same meanings as in formula (I).
- the complexes of formulas (VI) and (VII) can be obtained from the compounds of formulas (IIA) by analogy to the methods described in European patent applications No. 245 960 and No. 271 310.
- the complexes of Formulas (VIII), (IX) and (X) can be obtained from the compounds of formulas (IIB) by analogy to the methods described in European patent applications No. 256 634, No. 245 959 and No. 271 310.
- the present invention also relates to the diphosphino-metallic complexes of formulas (II), (III),
- the invention especially relates to their use in an asymmetric hydrogenation process of unsaturated compounds carrying functional groups of formula (XVI) below:
- a and B are different and chosen from a C 1 _ 5 alkyl group, an aryl group, a C x hydroxycarbonyl group, ⁇ , a C x _ ⁇ alkoxycarbonyl group, a C aryloxycarbonyl group. K ), a C ⁇ 7 halogenoalkyl group, a heteroaryl group, a saturated or unsaturated cycloalkyl group, said alkyl, aryl or cycloalkyl groups optionally comprising one or more substituents chosen from a halogen such as chlorine, fluorine, bromine, a -N0 2 group, an alkyl C x _ 5 alkoxy C x.
- a halogen such as chlorine, fluorine, bromine, a -N0 2 group, an alkyl C x _ 5 alkoxy C x.
- a C 1 _ 1 cycloalkyl fused or not a aryl group, fused or not, optionally substituted by a halogen, a C _ 5 alkyl, a C 1 _ 5 alkoxy, said alkyl, cycloalkyl or aryl groups comprising possibly one or more heteroatoms such as 0, N or Si,
- a and B together form a substituted C 2 _ 6 alkyl group, a C 3 _ 9 cycloalkyl group saturated or not, a C 5 _ 10 aryl group, said groups being optionally substituted by a C 1 _ alkyl 5 , halogen, hydroxy, C 5 alkoxy, amino such as NH 2 , NHR 4 , N (R 4 ) 2 , sulfino, sulfonyl, where R 4 represents alkyl, alkoxy or alkylcarbonyl , said alkyl, cycloalkyl or aryl groups optionally comprising one or more heteroatoms such as 0, N, S, Si;
- Q represents an oxygen, a group -NR16, -NOR16 or -C (R16) 2 , where R16 is chosen from alkyl C j. _ 5 , an aryl group, a heteroaryl group substituted by a C 1 _ 4 alkyl.
- non-limiting examples include the following compounds: ene-acid or ester derivatives, ene-alcohol or ether derivatives, ene-derivatives amide, e-amine derivatives, beta-ketoacid or ester derivatives, gam a-ketoacid or ester derivatives, beta, gamma-dicetoacid or ester derivatives, alpha-amido-beta derivatives cetoacid or ester, halogeno-ketone derivatives, hydroxy or alkoxy-ketone derivatives, i ine derivatives.
- a preferred asymmetric hydrogenation process comprises the treatment of a compound of formula (XVI), in an appropriate solvent, in the presence of a catalytic complex of formulas (II), (III), (V), (VI), (VII), (VIII), (IX) or (X), as a catalyst, under the operating conditions preferably as follows: - A temperature between 0 and +150 ° C.
- An amount of catalyst relative to the amount of substrate between 1/50000 and 1/10, preferably between 10/10000 and 1/10, most preferably 10/100 and 1/10.
- the hydrogenation time will generally be greater than or equal to 1 hour. Depending on the substrate and the catalyst, it may, for example, be between 1 hour and 70 hours.
- any solvent can be used, isolated or mixed, as long as it can dissolve the substrate and does not affect the reaction.
- a hydrocarbon such as hexane, heptane, octane, nonane, decane, benzene, toluene and xylene
- an ether such as tetrahydrofuran, tetrahydropyran, dioxane, dimethoxyethane, diisopropyl ether and diethylene glycol dimethyl ether
- an ester such as a formate or an alkyl acetate such as ethyl formate, ethyl acetate, butyl acetate and ethyl propionate
- a ketone such as acetone, diethylketone, diisopropylce t one, methylisobutylket one, methylethylketone and acetylace
- the substrate When carrying out the reaction, it is recommended to use the substrate at a concentration, in the solvent of 0.1 to 2 moles / liter.
- the reaction medium is concentrated.
- the residue is taken up with a solution of 220 ml of ethyl acetate and 50 ml of water.
- the reaction medium is left for 24 hours at 20 ° C, before hydrolysis.
- the expected product is obtained in the form of a brown oil.
- the product is obtained in the form of white crystals.
- the product is obtained in the form of white crystals.
- the product is obtained in the form of white or pale yellow crystals.
- the product is obtained in the form of white or pale yellow crystals.
- Example 10 Preparation of the catalyst: The complex [RuBr, (R) -CH 3 COOBIPHEP)],. acetone.
- Example 11 Preparation of the catalyst: The Ru (R) -CTCOOBIPHEP) (OAc) complex.
- Example 12 Preparation of the catalyst: The Ru (R) - (CHJ, CHCQOBIPHEP) (OAc) complex.
- Example 20 Asymmetric hydrogenation of ethylbenzoylacetate.
- Example 10 To the catalytic solution of Example 10, ethyl benzoylacetate (0.5 g; 0.0026 mol) and 5 ml of ethanol are added. One puts under a pressure of 20 bars of hydrogen. The medium is heated to 50 ° C. and left stirring for 22 hours.
- the medium is concentrated.
- Example 24 Asymmetric hydrogenation of the hydroxyacetone compound. Ligand A.
- Example 20 The same process is carried out as that of Example 20, taking into account the hydrogen pressure, the temperature and the substrate / catalyst ratio (S / C) indicated in the reaction.
- the expected product is obtained in the form of a brown liquid.
- Example 34 Asymmetric hydrogenation of the hydroxyacetone compound.
- Example 20 The same process is carried out as that of Example 20, taking into account the hydrogen pressure, the temperature and the substrate / catalyst ratio (S / C) indicated in the reaction.
- the expected product is obtained in the form of a brown liquid.
- Example 40 Asymmetric hydrogenation of the 4-chloroacetoacetate compound.
- Example 20 The same process is carried out as that of Example 20, taking into account the hydrogen pressure, the temperature and the substrate / catalyst ratio (S / C) indicated in the reaction.
- the expected product is obtained in the form of an oil.
- Example 42 Asymmetric hydrogenation of the compound Acetamide, N- [1- (2-naphtha ⁇ enyl) ethenyl].
- Example 20 The same process is carried out as that of Example 20, taking into account the hydrogen pressure, the temperature and the substrate / catalyst ratio (S / C) indicated in the reaction.
- the expected product is obtained in the form of an orange oil.
- Example 48 Asymmetric hydrogenation of the dimethyl Itaconate compound. Ligand A.
- the expected product is obtained in the form of a brown liquid.
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Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2001282264A AU2001282264A1 (en) | 2000-08-03 | 2001-08-03 | Use of chiral diphosphines as optically active ligands |
| IL15426301A IL154263A0 (en) | 2000-08-03 | 2001-08-03 | Use of chiral diphosphines as optically active ligands |
| JP2002518228A JP2004505985A (ja) | 2000-08-03 | 2001-08-03 | 光学活性をもつリガンドとしてのキラルジホスフィンの利用 |
| EP01960868A EP1305324A1 (fr) | 2000-08-03 | 2001-08-03 | Utilisation de diphosphines chirales comme ligands optiquement actifs |
| BR0112970-8A BR0112970A (pt) | 2000-08-03 | 2001-08-03 | Utilização de difosfinas quirais como ligantes opticamente ativos |
| CA002417836A CA2417836A1 (fr) | 2000-08-03 | 2001-08-03 | Utilisation de diphosphines chirales comme ligands optiquement actifs |
| US10/356,233 US6794525B2 (en) | 2000-08-03 | 2003-01-31 | Optically active chiral diphosphine ligands |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0010269A FR2812638B1 (fr) | 2000-08-03 | 2000-08-03 | Utilisation de diphosphines chirales comme ligands optiquement actifs pour la preparation de complexes diphosphino-metalliques, les complexes ainsi obtenus et les procedes de catalyse asymetrique les mettant en oeuvre |
| FR0010269 | 2000-08-03 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/356,233 Continuation US6794525B2 (en) | 2000-08-03 | 2003-01-31 | Optically active chiral diphosphine ligands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002012253A1 true WO2002012253A1 (fr) | 2002-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/002550 Ceased WO2002012253A1 (fr) | 2000-08-03 | 2001-08-03 | Utilisation de diphosphines chirales comme ligands optiquement actifs |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6794525B2 (fr) |
| EP (1) | EP1305324A1 (fr) |
| JP (1) | JP2004505985A (fr) |
| CN (1) | CN1468248A (fr) |
| AU (1) | AU2001282264A1 (fr) |
| BR (1) | BR0112970A (fr) |
| CA (1) | CA2417836A1 (fr) |
| FR (1) | FR2812638B1 (fr) |
| IL (1) | IL154263A0 (fr) |
| WO (1) | WO2002012253A1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2401864A (en) * | 2003-05-21 | 2004-11-24 | Phoenix Chemicals Ltd | Asymmetric hydrogenation catalyst |
| WO2011061439A1 (fr) | 2009-11-17 | 2011-05-26 | Universite De Strasbourg | Procede de phosphination catalytique |
| US8344161B2 (en) | 2008-12-16 | 2013-01-01 | Hoffmann-La Roche Inc. | Process for the preparation of pyrollidine-3-carboxylic acids |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101460461B (zh) * | 2006-04-03 | 2012-10-03 | 弗·哈夫曼-拉罗切有限公司 | 对映体富集的环β-芳基或杂芳基羧酸的制备方法 |
| CN103145557B (zh) * | 2013-03-27 | 2015-06-03 | 石家庄手性化学有限公司 | 一种光学纯度的s-4-氯-3-羟基丁酸乙酯的制备方法 |
| CN108690074A (zh) * | 2018-05-15 | 2018-10-23 | 东华大学 | 一种兼有磷中心手性和联萘轴手性的双膦手性化合物及其制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993015090A1 (fr) * | 1992-01-31 | 1993-08-05 | F. Hoffmann-La Roche Ag | Ligands diphosphiniques |
| WO1993015089A1 (fr) * | 1992-01-31 | 1993-08-05 | F. Hoffmann-La Roche Ag | Ligands diphosphiniques |
| EP0647648A1 (fr) * | 1993-10-08 | 1995-04-12 | F. Hoffmann-La Roche Ag | Composés de phosphore optiquement actifs |
| EP1002801A1 (fr) * | 1998-11-19 | 2000-05-24 | Solvias AG | Diphenyldiphosphines chirales et leurs complexes métalliques d-8 |
| WO2001021625A1 (fr) * | 1999-09-20 | 2001-03-29 | The Penn State Research Foundation | Phosphines chirales, leurs complexes de metaux de transition et leurs utilisations dans des reactions asymetriques |
-
2000
- 2000-08-03 FR FR0010269A patent/FR2812638B1/fr not_active Expired - Fee Related
-
2001
- 2001-08-03 EP EP01960868A patent/EP1305324A1/fr not_active Withdrawn
- 2001-08-03 WO PCT/FR2001/002550 patent/WO2002012253A1/fr not_active Ceased
- 2001-08-03 JP JP2002518228A patent/JP2004505985A/ja active Pending
- 2001-08-03 CN CNA018167381A patent/CN1468248A/zh active Pending
- 2001-08-03 BR BR0112970-8A patent/BR0112970A/pt not_active IP Right Cessation
- 2001-08-03 CA CA002417836A patent/CA2417836A1/fr not_active Abandoned
- 2001-08-03 AU AU2001282264A patent/AU2001282264A1/en not_active Abandoned
- 2001-08-03 IL IL15426301A patent/IL154263A0/xx unknown
-
2003
- 2003-01-31 US US10/356,233 patent/US6794525B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993015090A1 (fr) * | 1992-01-31 | 1993-08-05 | F. Hoffmann-La Roche Ag | Ligands diphosphiniques |
| WO1993015089A1 (fr) * | 1992-01-31 | 1993-08-05 | F. Hoffmann-La Roche Ag | Ligands diphosphiniques |
| EP0647648A1 (fr) * | 1993-10-08 | 1995-04-12 | F. Hoffmann-La Roche Ag | Composés de phosphore optiquement actifs |
| EP1002801A1 (fr) * | 1998-11-19 | 2000-05-24 | Solvias AG | Diphenyldiphosphines chirales et leurs complexes métalliques d-8 |
| WO2001021625A1 (fr) * | 1999-09-20 | 2001-03-29 | The Penn State Research Foundation | Phosphines chirales, leurs complexes de metaux de transition et leurs utilisations dans des reactions asymetriques |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2401864A (en) * | 2003-05-21 | 2004-11-24 | Phoenix Chemicals Ltd | Asymmetric hydrogenation catalyst |
| GB2401864B (en) * | 2003-05-21 | 2007-11-14 | Phoenix Chemicals Ltd | Process and catalytic composition |
| US8344161B2 (en) | 2008-12-16 | 2013-01-01 | Hoffmann-La Roche Inc. | Process for the preparation of pyrollidine-3-carboxylic acids |
| WO2011061439A1 (fr) | 2009-11-17 | 2011-05-26 | Universite De Strasbourg | Procede de phosphination catalytique |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2812638B1 (fr) | 2003-04-25 |
| CA2417836A1 (fr) | 2002-02-14 |
| US20030195369A1 (en) | 2003-10-16 |
| BR0112970A (pt) | 2003-06-24 |
| AU2001282264A1 (en) | 2002-02-18 |
| IL154263A0 (en) | 2003-09-17 |
| US6794525B2 (en) | 2004-09-21 |
| FR2812638A1 (fr) | 2002-02-08 |
| EP1305324A1 (fr) | 2003-05-02 |
| CN1468248A (zh) | 2004-01-14 |
| JP2004505985A (ja) | 2004-02-26 |
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