BE854596A - Procede de racemisation d'allethrolone optiquement active - Google Patents

Procede de racemisation d'allethrolone optiquement active

Info

Publication number
BE854596A
BE854596A BE177541A BE177541A BE854596A BE 854596 A BE854596 A BE 854596A BE 177541 A BE177541 A BE 177541A BE 177541 A BE177541 A BE 177541A BE 854596 A BE854596 A BE 854596A
Authority
BE
Belgium
Prior art keywords
optically active
racemization process
active allethrolone
allethrolone
racemization
Prior art date
Application number
BE177541A
Other languages
English (en)
French (fr)
Original Assignee
Roussel Uclaf
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 Roussel Uclaf filed Critical Roussel Uclaf
Publication of BE854596A publication Critical patent/BE854596A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B55/00—Racemisation; Complete or partial inversion
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
    • C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE177541A 1976-05-14 1977-05-13 Procede de racemisation d'allethrolone optiquement active BE854596A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7614617A FR2351079A1 (fr) 1976-05-14 1976-05-14 Procede de racemisation d'allethrolone optiquement active

Publications (1)

Publication Number Publication Date
BE854596A true BE854596A (fr) 1977-11-14

Family

ID=9173168

Family Applications (1)

Application Number Title Priority Date Filing Date
BE177541A BE854596A (fr) 1976-05-14 1977-05-13 Procede de racemisation d'allethrolone optiquement active

Country Status (9)

Country Link
US (1) US4111993A (xx)
JP (1) JPS52139045A (xx)
BE (1) BE854596A (xx)
CH (1) CH602539A5 (xx)
DE (1) DE2721766A1 (xx)
FR (1) FR2351079A1 (xx)
GB (1) GB1528115A (xx)
IT (1) IT1078138B (xx)
NL (1) NL188035C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL189584C (nl) * 1979-01-15 1993-05-17 Ove Johansson Verbindingsstelsel.
FR2458531A1 (fr) * 1979-06-12 1981-01-02 Roussel Uclaf Procede de preparation d'allethrolone optiquement active par scission d'un ester d'acide chiral d'allethrolone optiquement active a l'aide d'un halogenure de bore
EP0122779B1 (en) * 1983-04-19 1986-07-23 Sumitomo Chemical Company, Limited Production of optically active cyclopentenolones
JP2513001B2 (ja) * 1988-11-01 1996-07-03 山川薬品工業株式会社 光学活性テトラヒドロフラン−２−カルボン酸のラセミ化方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533384B2 (xx) * 1974-01-25 1978-02-06
JPS533385B2 (xx) * 1974-08-12 1978-02-06

Also Published As

Publication number Publication date
DE2721766A1 (de) 1977-11-24
DE2721766C2 (xx) 1987-09-10
NL7705293A (nl) 1977-11-16
CH602539A5 (xx) 1978-07-31
US4111993A (en) 1978-09-05
FR2351079A1 (fr) 1977-12-09
FR2351079B1 (xx) 1978-10-20
NL188035C (nl) 1992-03-16
IT1078138B (it) 1985-05-08
GB1528115A (en) 1978-10-11
JPS52139045A (en) 1977-11-19
JPS61814B2 (xx) 1986-01-11
NL188035B (nl) 1991-10-16

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Legal Events

Date Code Title Description
CA Change of address of the owner of the patent
RE20 Patent expired

Owner name: ROUSSEL UCLAF

Effective date: 19970513