DK157748C - Fremgangsmaade til racemisering af optisk aktiv 2-(4-chlorphenyl)-3-methylsmoersyre - Google Patents

Fremgangsmaade til racemisering af optisk aktiv 2-(4-chlorphenyl)-3-methylsmoersyre

Info

Publication number
DK157748C
DK157748C DK290877A DK290877A DK157748C DK 157748 C DK157748 C DK 157748C DK 290877 A DK290877 A DK 290877A DK 290877 A DK290877 A DK 290877A DK 157748 C DK157748 C DK 157748C
Authority
DK
Denmark
Prior art keywords
acid
racemizing
chlorphenyl
procedure
methylic
Prior art date
Application number
DK290877A
Other languages
Danish (da)
English (en)
Other versions
DK157748B (da
DK290877A (da
Inventor
Nobuo Ohno
Masakazu Miyakado
Hajime 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 DK290877A publication Critical patent/DK290877A/da
Publication of DK157748B publication Critical patent/DK157748B/da
Application granted granted Critical
Publication of DK157748C publication Critical patent/DK157748C/da

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)
DK290877A 1976-06-30 1977-06-29 Fremgangsmaade til racemisering af optisk aktiv 2-(4-chlorphenyl)-3-methylsmoersyre DK157748C (da)

Applications Claiming Priority (2)

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
JP7808976 1976-06-30

Publications (3)

Publication Number Publication Date
DK290877A DK290877A (da) 1977-12-31
DK157748B DK157748B (da) 1990-02-12
DK157748C true DK157748C (da) 1990-07-09

Family

ID=13652112

Family Applications (1)

Application Number Title Priority Date Filing Date
DK290877A DK157748C (da) 1976-06-30 1977-06-29 Fremgangsmaade til racemisering af optisk aktiv 2-(4-chlorphenyl)-3-methylsmoersyre

Country Status (10)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599876A (en) 1977-06-13 1981-10-07 Shell Int Research Conversion of a stereoisomer into its diastereoisomer
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
EP0925267A1 (fr) * 1996-06-10 1999-06-30 Albemarle Corporation Procede de racemisation destine a des acides carboxyliques optiquement actifs ou a des sels ou des esters de ces acides
US5859292A (en) * 1997-12-11 1999-01-12 Albemarle Corporation Preparation of high purity sodium (S)-2(6-methoxy-2-naphthyl)propionate
US5874614A (en) * 1997-12-11 1999-02-23 Albemarle Corporation Sodium (S)-2-(6-methoxy-2-naphthyl)propionate monohydrate
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

Also Published As

Publication number Publication date
NL187742C (nl) 1992-01-02
DK157748B (da) 1990-02-12
GB1546015A (en) 1979-05-16
BE856195A (fr) 1977-10-17
FR2356625B1 (fr) 1978-11-03
NL7706896A (nl) 1978-01-03
US4245116A (en) 1981-01-13
JPS535134A (en) 1978-01-18
FR2356625A1 (fr) 1978-01-27
DE2729104A1 (de) 1978-01-12
NL187742B (nl) 1991-08-01
IT1079724B (it) 1985-05-13
JPS5549059B2 (fr) 1980-12-10
DK290877A (da) 1977-12-31
CH621764A5 (fr) 1981-02-27

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Legal Events

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PBP Patent lapsed