DK151796C - Fremgangsmaade til fremstilling af cyclopentenoloner - Google Patents

Fremgangsmaade til fremstilling af cyclopentenoloner

Info

Publication number
DK151796C
DK151796C DK190981A DK190981A DK151796C DK 151796 C DK151796 C DK 151796C DK 190981 A DK190981 A DK 190981A DK 190981 A DK190981 A DK 190981A DK 151796 C DK151796 C DK 151796C
Authority
DK
Denmark
Prior art keywords
cyclopentenolons
procedure
preparation
Prior art date
Application number
DK190981A
Other languages
English (en)
Other versions
DK190981A (da
DK151796B (da
Inventor
Kenji Saito
Hiroshi Yamachika
Masayoshi Minai
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
Priority claimed from JP5847580A external-priority patent/JPS56154430A/ja
Priority claimed from JP7852880A external-priority patent/JPS574934A/ja
Priority claimed from JP14853080A external-priority patent/JPS5772934A/ja
Priority claimed from JP16437280A external-priority patent/JPS5788142A/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of DK190981A publication Critical patent/DK190981A/da
Publication of DK151796B publication Critical patent/DK151796B/da
Application granted granted Critical
Publication of DK151796C publication Critical patent/DK151796C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK190981A 1980-04-30 1981-04-29 Fremgangsmaade til fremstilling af cyclopentenoloner DK151796C (da)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP5847580A JPS56154430A (en) 1980-04-30 1980-04-30 Preparation of cyclopentenolone
JP5847580 1980-04-30
JP7852880A JPS574934A (en) 1980-06-10 1980-06-10 Novel preparaton of dihydrojasmone
JP7852880 1980-06-10
JP14853080A JPS5772934A (en) 1980-10-22 1980-10-22 Preparation of cyclopenetenone derviative
JP14853080 1980-10-22
JP16437280A JPS5788142A (en) 1980-11-20 1980-11-20 Preparation of cyclopentenolone compound
JP16437280 1980-11-20

Publications (3)

Publication Number Publication Date
DK190981A DK190981A (da) 1981-10-31
DK151796B DK151796B (da) 1988-01-04
DK151796C true DK151796C (da) 1988-09-19

Family

ID=27463656

Family Applications (1)

Application Number Title Priority Date Filing Date
DK190981A DK151796C (da) 1980-04-30 1981-04-29 Fremgangsmaade til fremstilling af cyclopentenoloner

Country Status (4)

Country Link
EP (1) EP0039089B1 (da)
DE (1) DE3161108D1 (da)
DK (1) DK151796C (da)
HU (1) HU188043B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115860B1 (en) * 1983-02-03 1988-10-12 Sumitomo Chemical Company, Limited Optically active 4-hydroxy-2-cyclopentenones, and their production
JPS6025947A (ja) * 1983-07-22 1985-02-08 Sumitomo Chem Co Ltd ４−ヒドロキシ−２−シクロペンテノン類の製造法
IT1277038B1 (it) * 1995-12-06 1997-11-04 Pentacast Srl Film multistrato polietilenico

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371711A (en) * 1979-05-30 1983-02-01 Sumitomo Chemical Company, Limited Process for producing 4-hydroxycyclopentenones
JP2517081B2 (ja) * 1988-10-25 1996-07-24 松下電器産業株式会社 超伝導素子およびその製造方法

Also Published As

Publication number Publication date
EP0039089B1 (en) 1983-10-05
DK190981A (da) 1981-10-31
DK151796B (da) 1988-01-04
DE3161108D1 (en) 1983-11-10
HU188043B (en) 1986-03-28
EP0039089A3 (en) 1981-11-18
EP0039089A2 (en) 1981-11-04

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Legal Events

Date Code Title Description
PUP Patent expired