BE856195A - Procede de racemisation d'acide 2-(4-chlorophenyl)-3-methyl-butyrique optiquement actif - Google Patents

Procede de racemisation d'acide 2-(4-chlorophenyl)-3-methyl-butyrique optiquement actif

Info

Publication number
BE856195A
BE856195A BE178844A BE178844A BE856195A BE 856195 A BE856195 A BE 856195A BE 178844 A BE178844 A BE 178844A BE 178844 A BE178844 A BE 178844A BE 856195 A BE856195 A BE 856195A
Authority
BE
Belgium
Prior art keywords
chlorophenyl
methyl
optically active
butyric acid
racemization process
Prior art date
Application number
BE178844A
Other languages
English (en)
French (fr)
Inventor
N Ohno
M Miyakado
H Hirai
Original Assignee
Sumitomo Chemical Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of BE856195A publication Critical patent/BE856195A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/52—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen
    • C07C57/58—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen containing six-membered aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE178844A 1976-06-30 1977-06-28 Procede de racemisation d'acide 2-(4-chlorophenyl)-3-methyl-butyrique optiquement actif BE856195A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7808976A JPS535134A (en) 1976-06-30 1976-06-30 Racemization of optical active 2-(4)chlorophenyl)-3-methylbutylic acid

Publications (1)

Publication Number Publication Date
BE856195A true BE856195A (fr) 1977-10-17

Family

ID=13652112

Family Applications (1)

Application Number Title Priority Date Filing Date
BE178844A BE856195A (fr) 1976-06-30 1977-06-28 Procede de racemisation d'acide 2-(4-chlorophenyl)-3-methyl-butyrique optiquement actif

Country Status (10)

Country Link
US (1) US4245116A (xx)
JP (1) JPS535134A (xx)
BE (1) BE856195A (xx)
CH (1) CH621764A5 (xx)
DE (1) DE2729104A1 (xx)
DK (1) DK157748C (xx)
FR (1) FR2356625A1 (xx)
GB (1) GB1546015A (xx)
IT (1) IT1079724B (xx)
NL (1) NL187742C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213916A (en) 1977-06-13 1980-07-22 Shell Internationale Research Maatschappij B.V. Conversion of stereoisomer into its diastereoisomer

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144332A (en) * 1978-04-28 1979-11-10 Sumitomo Chem Co Ltd Racemization of optically active 2-(4-chlorophenyl)-3- methylbutyric acid
JPS57145830A (en) * 1981-03-06 1982-09-09 Hiroyuki Nohira Optical resolution of 2-(4-chlorophenyl)-3-methylbutanoic acid
JPS58127499U (ja) * 1982-02-22 1983-08-29 日本電気株式会社 メモリ回路
JPS5959647A (ja) * 1982-09-28 1984-04-05 Sumitomo Chem Co Ltd 光学活性２，２−ジメチルシクロプロパン−１−カルボン酸エステルのラセミ化方法
US4506097A (en) * 1983-04-25 1985-03-19 American Cyanamid Co. Method for the racemization of (2)-2-(4-difluoromethoxyphenyl)-3-methylbutyric acid
US4613689A (en) * 1985-08-30 1986-09-23 Stauffer Chemical Company Racemization of optically active compounds having a chlorine substituted chiral carbon atom
WO1997047572A1 (en) * 1996-06-10 1997-12-18 Albemarle Corporation Racemization process for optically active carboxylic acids or salts or esters thereof
US5874614A (en) * 1997-12-11 1999-02-23 Albemarle Corporation Sodium (S)-2-(6-methoxy-2-naphthyl)propionate monohydrate
US5859292A (en) * 1997-12-11 1999-01-12 Albemarle Corporation Preparation of high purity sodium (S)-2(6-methoxy-2-naphthyl)propionate
ES2260585T3 (es) * 2003-04-09 2006-11-01 Les Laboratoires Servier Nuevo procedimiento de sintesis del acido (2s)-indolin-2-carboxilico y su aplicacion a la sintesis de perindopril.
CN1292803C (zh) * 2005-01-13 2007-01-03 西安理工大学 空心球结构人工骨填料的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859244A (en) * 1956-09-28 1958-11-04 Dow Chemical Co Resolution of dl-lysine with d-camphoric acid
US3213106A (en) * 1961-11-16 1965-10-19 Ajinomoto Kk Process of racemizing optically active alpha acids
US3686183A (en) * 1969-03-24 1972-08-22 Syntex Corp Preparation of optical isomers of arylalkylacetic acids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213916A (en) 1977-06-13 1980-07-22 Shell Internationale Research Maatschappij B.V. Conversion of stereoisomer into its diastereoisomer

Also Published As

Publication number Publication date
DE2729104A1 (de) 1978-01-12
IT1079724B (it) 1985-05-13
DK157748B (da) 1990-02-12
GB1546015A (en) 1979-05-16
JPS5549059B2 (xx) 1980-12-10
NL7706896A (nl) 1978-01-03
NL187742B (nl) 1991-08-01
CH621764A5 (xx) 1981-02-27
US4245116A (en) 1981-01-13
NL187742C (nl) 1992-01-02
JPS535134A (en) 1978-01-18
DK157748C (da) 1990-07-09
FR2356625B1 (xx) 1978-11-03
DK290877A (da) 1977-12-31
FR2356625A1 (fr) 1978-01-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SUMITOMO CHEMICAL CY LTD

Effective date: 19960630