DE3869860D1 - Verfahren zur racemisierung von optisch aktiver chrysanthemumsaeure oder deren derivaten. - Google Patents

Verfahren zur racemisierung von optisch aktiver chrysanthemumsaeure oder deren derivaten.

Info

Publication number
DE3869860D1
DE3869860D1 DE8888306444T DE3869860T DE3869860D1 DE 3869860 D1 DE3869860 D1 DE 3869860D1 DE 8888306444 T DE8888306444 T DE 8888306444T DE 3869860 T DE3869860 T DE 3869860T DE 3869860 D1 DE3869860 D1 DE 3869860D1
Authority
DE
Germany
Prior art keywords
chrysanthemuic
derivatives
acid
optically active
racemizing optically
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 - Fee Related
Application number
DE8888306444T
Other languages
English (en)
Inventor
Gohfu Suzukamo
Yoji Sakito
Masami Fukao
Koji Hagiya
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 DE3869860D1 publication Critical patent/DE3869860D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Catalysts (AREA)
DE8888306444T 1987-07-17 1988-07-14 Verfahren zur racemisierung von optisch aktiver chrysanthemumsaeure oder deren derivaten. Expired - Fee Related DE3869860D1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP62179727A JPH0688933B2 (ja) 1987-07-17 1987-07-17 光学活性第一菊酸類のラセミ化法
JP62245656A JPH0710790B2 (ja) 1987-07-17 1987-09-28 ラセミ第一菊酸類をトランス化する方法
JP62248281A JPH0688934B2 (ja) 1987-07-17 1987-09-30 光学活性第一菊酸類をラセミ化する方法
JP63082040A JP2503576B2 (ja) 1987-07-17 1988-03-31 ラセミ―トランス第一菊酸類の製法
JP63089559A JPH085841B2 (ja) 1987-07-17 1988-04-12 ラセミ第一菊酸類の製法
JP63099962A JP2503584B2 (ja) 1987-07-17 1988-04-21 ラセミ―トランス第一菊酸類の製法

Publications (1)

Publication Number Publication Date
DE3869860D1 true DE3869860D1 (de) 1992-05-14

Family

ID=27551549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888306444T Expired - Fee Related DE3869860D1 (de) 1987-07-17 1988-07-14 Verfahren zur racemisierung von optisch aktiver chrysanthemumsaeure oder deren derivaten.

Country Status (5)

Country Link
US (1) US4898655A (de)
EP (1) EP0299760B1 (de)
JP (6) JPH0688933B2 (de)
DE (1) DE3869860D1 (de)
HU (1) HU204745B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0688933B2 (ja) * 1987-07-17 1994-11-09 住友化学工業株式会社 光学活性第一菊酸類のラセミ化法
JP2640174B2 (ja) * 1990-10-30 1997-08-13 三菱電機株式会社 半導体装置およびその製造方法
US5840958A (en) * 1996-10-17 1998-11-24 Fmc Corporation 1S to 1R Epimerizations of pyrethroid intermediates
CN1231451C (zh) * 2001-07-18 2005-12-14 住友化学工业株式会社 使旋光的乙烯基取代的环丙烷羧酸化合物外消旋的方法
ITMI20050231A1 (it) * 2005-02-17 2006-08-18 Endura Spa Processo per l'ottenimento di enantiomeri dell'acido crisantemico

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282934A (en) * 1964-05-15 1966-11-01 Schering Corp Nitrogenous esters of hydroxylalkylamino phenothiazines
SE366022B (de) * 1969-03-24 1974-04-08 Sumitomo Chemical Co
JPS5337858B2 (de) * 1973-11-12 1978-10-12
JPS52144651A (en) * 1976-05-24 1977-12-02 Sumitomo Chem Co Ltd Racemization of optical active 2,2-dimethyl-3-(1-alkenyl)-cyclopropane-1-carboxylic acid
DE2928406A1 (de) * 1979-07-13 1981-01-29 Bayer Ag Neue menthylester, verfahren zu ihrer herstellung und ihre verwendung zur enantiomerentrennung chiraler carbonsaeuren
FR2464939A1 (fr) * 1979-09-10 1981-03-20 Roussel Uclaf Nouveaux derives substitues du cyclopropene, leur procede de preparation et leur application dans la synthese de precurseurs de l'acide dl cis chrysanthemique
JPS57163341A (en) * 1981-03-30 1982-10-07 Sumitomo Chem Co Ltd Preparation of racemized cyclopropanecarboxylic acid derivative
EP0155765B1 (de) * 1984-02-22 1988-10-05 Sumitomo Chemical Company, Limited Verfahren zur Racemisierung der Chrysanthemsäure oder ihrer Ester
HU200310B (en) * 1984-06-15 1990-05-28 Sumitomo Chemical Co Process for racemizing chrisanthemic acid and esters and for transforming raceme cys isomeres into raceme trans isomeres
JPS62198643A (ja) * 1986-02-27 1987-09-02 Sumitomo Chem Co Ltd ラセミ第一菊酸類の製造法
DE3762613D1 (de) * 1986-09-04 1990-06-13 Sumitomo Chemical Co Verfahren zur razemisierung von optisch aktiver chrysanthemsaeure oder ihres esters.
JPH0688933B2 (ja) * 1987-07-17 1994-11-09 住友化学工業株式会社 光学活性第一菊酸類のラセミ化法
JPH0688934A (ja) * 1992-09-07 1994-03-29 Canon Inc 視線検出機能付光学装置

Also Published As

Publication number Publication date
JPS6485947A (en) 1989-03-30
JPS6422837A (en) 1989-01-25
JPH0688934B2 (ja) 1994-11-09
HU204745B (en) 1992-02-28
JPH01261349A (ja) 1989-10-18
JP2503584B2 (ja) 1996-06-05
JPH01250337A (ja) 1989-10-05
JPS6490152A (en) 1989-04-06
JPH085841B2 (ja) 1996-01-24
EP0299760A1 (de) 1989-01-18
JPH0710790B2 (ja) 1995-02-08
JP2503576B2 (ja) 1996-06-05
EP0299760B1 (de) 1992-04-08
HUT47514A (en) 1989-03-28
JPH0688933B2 (ja) 1994-11-09
US4898655A (en) 1990-02-06
JPH01272549A (ja) 1989-10-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee