WO2005070864A1 - エナンチオ選択的なエナミドのカルボニル基への求核付加反応方法と光学活性α−ヒドロキシ−γ−ケト酸エステル、ヒドロキシジケトンの合成方法 - Google Patents
エナンチオ選択的なエナミドのカルボニル基への求核付加反応方法と光学活性α−ヒドロキシ−γ−ケト酸エステル、ヒドロキシジケトンの合成方法 Download PDFInfo
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- WO2005070864A1 WO2005070864A1 PCT/JP2005/001281 JP2005001281W WO2005070864A1 WO 2005070864 A1 WO2005070864 A1 WO 2005070864A1 JP 2005001281 W JP2005001281 W JP 2005001281W WO 2005070864 A1 WO2005070864 A1 WO 2005070864A1
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- nucleophilic addition
- enamide
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- substituent
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/04—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups
-
- C—CHEMISTRY; METALLURGY
- 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
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
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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 invention of this application relates to an enantioselective enamide that enables asymmetric synthesis of optically active compounds, which is useful as a raw material or synthetic intermediate for the production of pharmaceuticals, agricultural chemicals, fragrances, functional polymers, etc.
- the present invention relates to a method for the nucleophilic addition reaction of a compound to a carbonyl group, and a method for synthesizing an optically active ⁇ -hydroxy-r-keto acid ester, hydroxy diketone or the like using the method.
- the inventors of the present application have proposed a method for synthesizing an N-acylated amino acid derivative by a nucleophilic addition reaction to an N-acylated imino ester compound using a polymer-supported catalyst (Journal of Combinat. or i al Chemistry, 2001, Vol. 3, No. 5, 401-403). Furthermore, these enantio-selective synthesis methods using chiral copper catalysts (Org. Lett. l. 4, No. 1, 2002, 143-145; J. Am. Chem. Soc., Vol. 125, No. 9, 2003, 2507-2515) has already been reported.
- nucleophilic reactants are limited to silyl enol ethers derived from esters or thioester compounds, and alkyl vinyl ethers.
- the application target of the addition reaction and its application were necessarily restricted.
- the invention of this application is based on the above circumstances, and is useful as a raw material or a synthetic intermediate for the production of pharmaceuticals, agricultural chemicals, fragrances, functional polymers, and the like, using an ⁇ -hydroxy- ⁇ -keto acid compound.
- the invention relates to a method for a nucleophilic addition reaction of an enamide compound with formation of a hydroxyl group (() to a carbonyl group, comprising copper or nickel.
- the present invention provides a method for nucleophilic addition of an enanide, characterized in that the reaction is carried out in the presence of a chiral catalyst.
- the chiral catalyst comprises a salt of an organic acid or an inorganic acid or a complex or complex of a salt or a complex of the salt with a copper compound or a nickel compound and a chiral diamine ligand.
- the chiral diamine ligand has an ethylenediamine structure as a part of the enancho-selective nucleophilic addition reaction method of an enamide. Henin The present invention provides a method for thiophilic nucleophilic addition of enamide.
- Ra is an optionally substituted hydrocarbon group or R 0 —CO— or RQ—O—CO—
- R fl is an optionally substituted hydrocarbon group.
- R b represents a hydrogen atom or a hydrocarbon group which may have a substituent
- a nucleophilic addition reaction of a compound having a carbonyl group represented by the formula (1) with an enamide compound accompanied by formation of a hydroxyl group (-OH) to the carbonyl group of the compound is provided.
- the present invention provides a method for the nucleophilic addition reaction of an enantioselective enamide, characterized in that the compound having a carbonyl group is an ester of daroxylic acid, and sixthly, an aldehyde compound. Is the following equation (1)
- R 2 represents a hydrocarbon group which may have a substituent or a hydrocarbon group which may have a substituent bonded through an oxygen atom
- R 3 represents R 4 and R 5 represent a hydrogen atom or a hydrocarbon group which may have a substituent, each of which may be the same or different, and At least one of them is a hydrogen atom, and R 3 may be combined with R 4 or R 5 to form a ring.
- the invention of the present application provides the following formula (3) by performing an acid treatment after the above nucleophilic addition reaction.
- the present invention provides a method for synthesizing a keto acid ester. Eighth, by performing a reduction treatment after the above nucleophilic addition reaction, the following formula (4)
- the optically active ⁇ -hydroxy-arketo acid ester synthesized according to the seventh aspect of the present invention is subjected to a reduction reaction, followed by a cyclization reaction to obtain the following formula (6)
- the present invention provides a method for synthesizing an optically active ⁇ -hydroxy alactone which produces a compound represented by at least one of the following.
- the eleventh is the enantioselective nucleophilic addition reaction of an enamide in the fourth invention, wherein the compound having a carbonyl group is represented by the following formula (7)
- R 2 represents a hydrocarbon group which may have a substituent or a hydrocarbon group which may have a substituent bonded through an oxygen atom
- R 3 represents substituted indicates also be a hydrocarbon group
- R 4 Oyo R 5 is the same or different and each represents a hydrogen atom or a hydrocarbon group which may have a substituent, and at least one of them represents a hydrogen atom.
- R 3 may be bonded to R 4 or R 5 to form a ring.
- the present invention provides a method for nucleophilic addition reaction of enantiomers, which is characterized in that it is represented by the following formula: 8)
- a chiral copper catalyst or a chiral nickel catalyst is used as a catalyst.
- various catalysts are considered, in which a copper (Cu) or nickel (Ni) atom is indispensable for the constitution and a structure of a chiral organic molecule is added.
- a copper compound or a nickel compound is used. It is suitably considered to be constituted by a chiral diamine ligand compound.
- the copper compound or nickel compound may be selected from various compounds such as salts, complex salts, and organometallic compounds as monovalent or divalent compounds, and among them, salts with organic acids or inorganic acids, or salts thereof.
- a complex with a salt—an organic complex is mentioned as a preferable example.
- salts with strong acids for example, salts of (per) fluoroalkylsulfonic acid, perchloric acid, sulfuric acid, and the like, and complexes thereof—organic complexes are exemplified as preferred.
- N i (OT f) For example Cu (OT f) 2, C uC 10 4, C u C 1 0 4 '4 CH 3 CN, Cu (C 10 4) 2 ⁇ 6 ⁇ 2 0, N i (OT f) have N i X 2 + AgOT f (X is a halogen atom) and the like.
- the chiral diamine ligand one having an ethylenediamine structure as a part in the molecular structure is suitably used.
- the amino group may have an imine bond.
- various types such as the following formulas are exemplified.
- R in the formula represents a hydrocarbon group which may be substituted.
- the hydrocarbon group may be any one of a chain type and a cyclic type, and may have, as a substituent, a halogen atom, a hydrocarbon group such as an alkyl group, or a alkoxy group.
- P h (phenyl group) in the above-mentioned formula and a cyclohexyl group may have a substituent.
- a complex may be prepared in advance from a copper compound ⁇ Nigel compound and a chiral organic molecule and used as a catalyst, or in a reaction system.
- the copper compound—Niggel compound and the chiral organic molecule may be used as a mixture.
- the ratio of the catalyst used is usually about 0.5 to 30 mol% with respect to the carbonyl compound as a copper compound, a nickel compound, or a complex of a copper compound or a nickel compound and a chiral organic molecule. Is considered.
- Ra is an optionally substituted hydrocarbon group or R 11 -CO— or R D —0—CO—
- R D is an optionally substituted hydrocarbon group.
- Rb represents a hydrogen atom or a hydrocarbon group which may have a substituent.
- R 1 in the formula is a hydrocarbon group which may have a substituent.
- a chain or alicyclic hydrocarbon group, an aromatic hydrocarbon group, and various kinds of hydrocarbon groups as a combination thereof may be used.
- various substituents such as a hydrocarbon group such as an alkyl group, an alkoxy group, a sulfido group, a cyano group, a nitro group, and an ester group may be appropriately used as long as the nucleophilic addition reaction is not inhibited. Good.
- One enamide compound can be typically represented, for example, by the above formula (2).
- One of its features is that it has an amide bond or a force-permeate bond.
- R 2 represents a hydrocarbon group which may have a substituent or a hydrocarbon group which may have a substituent bonded via an oxygen atom
- R 3 represents Represents a hydrocarbon group which may have a substituent
- R 4 and R 5 are the same or different and each represents a hydrogen atom or a hydrocarbon group which may have a substituent; At least one is a hydrogen atom.
- the hydrocarbon group may be any of aliphatic, alicyclic or aromatic, and the substituent may be a hydrocarbon group such as an alkyl group, a halogen atom, an alkoxy group, or the like.
- Various groups such as a group, a sulfide group, a cyano group, a nitro group, and an ester group are appropriately considered.
- the reference numeral R 2, - OE t, one ⁇ ⁇ ⁇ ⁇ , Ru is preferably exemplified hydrocarbon group attached through an oxygen atom such as _ Omicron beta eta.
- R 3 those having a substituent such as a phenyl group, a naphthyl group, a halogen atom, an alkyl group or an alkoxy group thereof are exemplified.
- Aldehyde group of dalioxylate For the nucleophilic addition reaction of the enamide compound to (-CHO), an appropriate organic solvent, for example, a halogenated hydrocarbon, nitriles such as acetonitrile, ethers such as THF, etc. may be used.
- the atmosphere can be air or an inert atmosphere.
- the molar ratio of the aldehyde compound and the enamide compound can be appropriately set in the range of about 0.1 to 10 in terms of molar ratio.
- the optically active ⁇ -hydroxy-imino acid ester represented by at least one of the above is selectively produced by enantioselection.
- enecarbamate when used as a kind of enamide compound, high stereoselectivity can be realized.
- the syn-adduct is obtained from the Z-isomer and the anti-adduct is obtained from the E-isomer with high diastereoselectivity and high enantioselectivity.
- an acid treatment for example, an acid treatment with an aqueous solution of HC1, HBr or the like
- the optical compound represented by the above formula (3) is obtained.
- the active ⁇ -hydroxy-keto acid ester can be obtained in high yield and with excellent enantioselectivity.
- an optically active a-hydroxy-a-amino acid ester represented by the above formula (4) can be obtained in a similar high yield and excellent enantioselectivity.
- a boron reducing agent compound such as Et 2 B ⁇ Me—NaBH 4 or another metal hydride or a metal hydride complex compound can be used for the reduction treatment.
- the generated optically active 0; -hydroxy-17 * -amino acid ester is subjected to a cyclization reaction by removing (deprotecting) the acyl group on the amino group, and represented by the above formula (5). It can be well converted to optically active ⁇ -hydroxy-lactams.
- the acyl group is a benzyloxycarbonyl group, the reaction can be deprotected by catalytic hydrogen reduction.
- the optically active ⁇ -hydroxy-keto acid ester as described above is subjected to a reduction reaction, followed by a cyclization reaction, whereby the optically active ⁇ -hydroxy-keto acid ester represented by the above formula (6) is obtained. It is also possible to synthesize ⁇ -hydroxyaractones.
- the compound having a carbonyl group is a diketone compound as in the above formula (7).
- Symbols R 6 and R 7 in the formula (7) may be the same various hydrocarbon groups as described above.
- an optically active hydroxydiketone compound represented by the formula (8) can be synthesized by subjecting the diketone compound to a nucleophilic addition reaction with the enamide compound represented by the formula (2).
- R is 4 B r C 6 H 4 is a chiral diamine ligand (9.9 mg, 0.022 mmol) and a solution of CH 2 C 1 2 (1.5ml) of, C u C 1 0 4 ⁇ 4 CH 3 CN (6.5 mg, 0.020 ol) was added under an argon atmosphere, and the excellent yellow solution was stirred for 8 hours or more and cooled to 0.
- the reaction was stirred 1 hour at a temperature of 0, and the reaction by adding N aHC0 3 saturated aqueous solution was stopped. Thereafter, the reaction mixture was brought to room temperature and extracted with CH 2 C 1 2. The organic phase was washed and dried. After evaporation of the solvent, the residue was dissolved in EtOH (3. Oml), 48% HBr aqueous solution (0.3 ml) was added, and the mixture was stirred at room temperature for 1.5 minutes.
- reaction mixture was extracted with CH 2 C 1 2, the organic phase washed and dried to give the crude product the solvent was evaporated. This was purified by silica gel chromatography.
- Table 1 shows the reaction yield and ee (%) according to the type of enamide. Ee (%) was determined by HPLC analysis. table 1
- Example 1 Enami de and have use the E tilde Rio carboxylate, more Enami de nucleophilic addition reaction and various Kirarujiamin ligand and C u C 1 0 4 ⁇ 4 CH 3 CN was performed to synthesize an ⁇ -hydroxy-amino acid ester.
- Example 2 The reaction of Example 2, using various Enami de of, was performed by changing the amount of C u C l O 4 '4 CH 3 CN. Table 3 shows the results. It can be seen that a high yield and a high ee% result can be obtained even when the concentration of the chiral copper catalyst is low. Table 3
- the reaction was carried out in the same manner as in Example 2 except that the copper compound was replaced by Cu (OTf) 2 and the like.
- Example 11-11 the following treatment was performed instead of the acid treatment with the HBr aqueous solution.
- the reaction mixture was stirred at room temperature for 10 hours.
- the following compound (12) (13.4 mg, quantitative yield) was obtained.
- the diastereomer (12) can be separated by silica gel chromatography.
- Example 1 the reaction was carried out using various enecarbamates shown in Table 10 as the enamide represented by the formula (2).
- Table 5 shows the reaction product yield (%), syn / anti ratio, and ee (%).
- the identification values of 7-6 and 7-7 Z7-8 were also shown.
- Example 7 In the same manner as in Example 7, the reaction was carried out using various encarbamates shown in Table 6. Table 6 shows the yield (%), syn / anti ratio, and e e (%) of the reaction product. The identification values of 8_1Z8-2 and 8/3 / 8-4 of the reaction products were also shown.
- Example 7 As in Example 7, it was confirmed that an an-ti adduct was obtained from the E-isomer and a syn adduct was obtained from the Z-isomer with high diastereoselectivity and high enantioselectivity.
- n peaks ⁇ 14.2, 24.6, 27.1, 41.9, 53.8, 61.7, 69.2, 173.6, 210.4;
- Example 7 As in Example 7, the reaction was carried out using enamide (2) having an ⁇ -substituent as shown in Table 7. The results are also shown in Table 7.
- a dichloromethane solution (3 ml) of chiral diamine (0.15 mm 01) represented by the following formula was added to a dichloromethane solution (2 ml) of Ni (OTf) 2 and stirred for 8 hours. After cooling this solution to 0, a dichloromethane solution (2.5 ml) of diketone (1.5 mmo1) and a dichloromethane solution (2.5 mmo1) of enamide (1.0 mmo1) were added. l) was added in succession. After stirring for 48 hours, 48% hydrobromic acid (0.5 ml) was added dropwise, and after stirring for 5 minutes, a saturated aqueous solution of sodium hydrogen carbonate was added. The reaction solution was extracted with dichloromethane, and the organic phase was washed with water and saturated saline, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. Obtained at 7%, optical purity 59% ee.
- Example 12 a chiral catalyst system composed of Ni (OTf) 2 or Cu (OTf) 2 and various chiral diamine ligands (A, B, C, D, E) was used. The reaction was performed. Table 8 shows the results.
- Example 1 instead of the N i (OT f) 2, the reaction was conducted by using the N i C l 2 of 2 equivalents of and its Agot f.
- the invention of this application makes it possible to use optically active ⁇ -hydroxy-r-keto acid esters, which are useful as raw materials and synthetic intermediates for the production of pharmaceuticals, agricultural chemicals, fragrances, functional polymers, etc.
- An enantioselective method for nucleophilic addition to an aldehyde group is provided which enables asymmetric synthesis of active ⁇ -hydroxy-a-amino acid esters, optically active hydroxydiketones and the like.
- a highly stereoselective reaction is also possible. Particularly, in the case of ⁇ _1-substituted encarbamate, high diastereoselectivity and high enantioselectivity are realized. become.
- a new method for synthesizing optically active lactam lactones is provided.
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- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
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- Pyrrole Compounds (AREA)
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US10/587,078 US7414145B2 (en) | 2004-01-23 | 2005-01-24 | Method of enantioselective nucleophilic addition reaction of enamide to carbonyl group and synthesis method of optically active α-hydroxy-γ-keto acid ester and hydroxydiketone |
JP2005517333A JP4822844B2 (ja) | 2004-01-23 | 2005-01-24 | エナンチオ選択的なエナミドのカルボニル基への求核付加反応方法と光学活性α−ヒドロキシ−γ−ケト酸エステル、ヒドロキシジケトンの合成方法 |
EP05704278.0A EP1707556B1 (en) | 2004-01-23 | 2005-01-24 | Method of enantioselective nucleophilic addition reaction of an enamide to a glyoxylic acid ester |
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JP2004016408 | 2004-01-23 | ||
JP2004-016408 | 2004-01-23 | ||
JP2004249251 | 2004-08-27 | ||
JP2004-249251 | 2004-08-27 |
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PCT/JP2005/001281 WO2005070864A1 (ja) | 2004-01-23 | 2005-01-24 | エナンチオ選択的なエナミドのカルボニル基への求核付加反応方法と光学活性α−ヒドロキシ−γ−ケト酸エステル、ヒドロキシジケトンの合成方法 |
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US (1) | US7414145B2 (ja) |
EP (1) | EP1707556B1 (ja) |
JP (1) | JP4822844B2 (ja) |
WO (1) | WO2005070864A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007217286A (ja) * | 2006-02-14 | 2007-08-30 | Japan Science & Technology Agency | 1,3−アミノアルコール誘導体の立体選択的製造方法 |
JP2007238525A (ja) * | 2006-03-09 | 2007-09-20 | Japan Science & Technology Agency | 光学活性なβ−ヒドロキシイミン化合物の製造方法 |
JP2008214262A (ja) * | 2007-03-03 | 2008-09-18 | Japan Science & Technology Agency | 光学活性スルホニルイミン化合物の製造方法 |
JP2009215245A (ja) * | 2008-03-11 | 2009-09-24 | Japan Science & Technology Agency | 窒素含有複素環化合物の製造方法 |
Families Citing this family (1)
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CN113121338B (zh) * | 2021-03-31 | 2022-10-28 | 浙江工业大学 | 一种α-羟基-β-酮酸酯类化合物的合成方法 |
Citations (2)
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JP2003260363A (ja) * | 2002-03-11 | 2003-09-16 | Japan Science & Technology Corp | 新規キラル銅触媒とそれを用いたn−アシル化アミノ酸誘導体の製造方法 |
JP2003260366A (ja) * | 2002-03-11 | 2003-09-16 | Japan Science & Technology Corp | 新規キラル銅触媒とそれを用いたn−アシル化アミノ酸誘導体の製造方法 |
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2005
- 2005-01-24 WO PCT/JP2005/001281 patent/WO2005070864A1/ja active Application Filing
- 2005-01-24 US US10/587,078 patent/US7414145B2/en not_active Expired - Fee Related
- 2005-01-24 EP EP05704278.0A patent/EP1707556B1/en not_active Not-in-force
- 2005-01-24 JP JP2005517333A patent/JP4822844B2/ja not_active Expired - Fee Related
Patent Citations (2)
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JP2003260363A (ja) * | 2002-03-11 | 2003-09-16 | Japan Science & Technology Corp | 新規キラル銅触媒とそれを用いたn−アシル化アミノ酸誘導体の製造方法 |
JP2003260366A (ja) * | 2002-03-11 | 2003-09-16 | Japan Science & Technology Corp | 新規キラル銅触媒とそれを用いたn−アシル化アミノ酸誘導体の製造方法 |
Non-Patent Citations (5)
Title |
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J. ORGANIC CHEMISTRY, vol. 63, no. 22, 9 October 1998 (1998-10-09), pages 7764 - 7769 |
KOBAYASHI S.: "Catalytic, Asymmetric Mannich-type Reactions of N-Acylimino Esters for Direct Formation of N-Acylated Amino Acid Derivatives. Efficient Synthesis of a Novel Inhibitor of Ceramide Trafficking, HPA-12", ORGANIC LETTERS, vol. 4, no. 1, 2002, pages 143 - 145, XP002987199 * |
KOBAYASHI S.: "Catalytic, Asymmetric Mannich-type Reactions of N-Acylimino Esters: Reactivity, Diastereo-and Enantioselectivity, and Application to Synthesis of N-Acylated Amino Acid", J. AM. CHEM. SOC., vol. 125, no. 9, 2003, pages 2507 - 2515, XP002987784 * |
ORGANIC LETTERS, vol. 4, no. 20, 7 September 2002 (2002-09-07), pages 3379 - 3382 |
See also references of EP1707556A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007217286A (ja) * | 2006-02-14 | 2007-08-30 | Japan Science & Technology Agency | 1,3−アミノアルコール誘導体の立体選択的製造方法 |
JP4732180B2 (ja) * | 2006-02-14 | 2011-07-27 | 独立行政法人科学技術振興機構 | 1,3−アミノアルコール誘導体の立体選択的製造方法 |
JP2007238525A (ja) * | 2006-03-09 | 2007-09-20 | Japan Science & Technology Agency | 光学活性なβ−ヒドロキシイミン化合物の製造方法 |
JP4647521B2 (ja) * | 2006-03-09 | 2011-03-09 | 独立行政法人科学技術振興機構 | 光学活性なβ−ヒドロキシイミン化合物の製造方法 |
JP2008214262A (ja) * | 2007-03-03 | 2008-09-18 | Japan Science & Technology Agency | 光学活性スルホニルイミン化合物の製造方法 |
JP2009215245A (ja) * | 2008-03-11 | 2009-09-24 | Japan Science & Technology Agency | 窒素含有複素環化合物の製造方法 |
Also Published As
Publication number | Publication date |
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US20070073087A1 (en) | 2007-03-29 |
EP1707556A1 (en) | 2006-10-04 |
EP1707556A4 (en) | 2007-11-21 |
US7414145B2 (en) | 2008-08-19 |
EP1707556B1 (en) | 2013-05-08 |
JPWO2005070864A1 (ja) | 2007-09-13 |
JP4822844B2 (ja) | 2011-11-24 |
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