DE3260350D1 - Method for optical resolution of 2-(4-chlorophenyl)-3-methyl-butanoic acid - Google Patents

Method for optical resolution of 2-(4-chlorophenyl)-3-methyl-butanoic acid

Info

Publication number
DE3260350D1
DE3260350D1 DE8282101759T DE3260350T DE3260350D1 DE 3260350 D1 DE3260350 D1 DE 3260350D1 DE 8282101759 T DE8282101759 T DE 8282101759T DE 3260350 T DE3260350 T DE 3260350T DE 3260350 D1 DE3260350 D1 DE 3260350D1
Authority
DE
Germany
Prior art keywords
chlorophenyl
methyl
butanoic acid
optical resolution
resolution
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.)
Expired
Application number
DE8282101759T
Other languages
English (en)
Inventor
Hiroyuki Nohira
Daiyo Terunuma
Shinji Koube
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of DE3260350D1 publication Critical patent/DE3260350D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8282101759T 1981-03-06 1982-03-05 Method for optical resolution of 2-(4-chlorophenyl)-3-methyl-butanoic acid Expired DE3260350D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56031248A JPS57145830A (en) 1981-03-06 1981-03-06 Optical resolution of 2-(4-chlorophenyl)-3-methylbutanoic acid

Publications (1)

Publication Number Publication Date
DE3260350D1 true DE3260350D1 (en) 1984-08-16

Family

ID=12326063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282101759T Expired DE3260350D1 (en) 1981-03-06 1982-03-05 Method for optical resolution of 2-(4-chlorophenyl)-3-methyl-butanoic acid

Country Status (5)

Country Link
US (1) US4376213A (de)
EP (1) EP0060466B1 (de)
JP (1) JPS57145830A (de)
DE (1) DE3260350D1 (de)
HU (1) HU191349B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186355A (ja) * 1985-02-13 1986-08-20 Nippon Kayaku Co Ltd 光学活性バリンの新規製造法
JPH0684332B2 (ja) * 1985-06-20 1994-10-26 住友化学工業株式会社 ａ−イソプロピル−ｐ−クロルフエニル酢酸の光学分割法
IT1222013B (it) * 1987-07-10 1990-08-31 Chimica Profarmaco Spa Ind Processo di risoluzione ottica di acido 2 (6 metossi 2 naftil) propionico
US5302751A (en) * 1992-01-21 1994-04-12 Ethyl Corporation Profen resolution

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450751A (en) * 1963-06-15 1969-06-17 Noguchi Inst The Continuous optical resolution of racemic glutamic acid or its salts
US3405159A (en) * 1964-11-17 1968-10-08 Merck & Co Inc Process for resolving racemic mixtures of optically-active enantiomorphs
JPS535134A (en) * 1976-06-30 1978-01-18 Sumitomo Chem Co Ltd Racemization of optical active 2-(4)chlorophenyl)-3-methylbutylic acid
CS222255B2 (en) * 1977-03-08 1983-06-24 Boots Co Ltd Method of increasing the portion of the deisred anantiometer in the acid component of the 2-arylpropion acid
US4230860A (en) * 1978-11-06 1980-10-28 American Cyanamid Company Processes for the separation of enantiomers by selective crystallization

Also Published As

Publication number Publication date
EP0060466B1 (de) 1984-07-11
JPS6321654B2 (de) 1988-05-09
JPS57145830A (en) 1982-09-09
US4376213A (en) 1983-03-08
HU191349B (en) 1987-02-27
EP0060466A1 (de) 1982-09-22

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee