DK151795C - Fremgangsmaade til fremstilling af cyclopentenoloner - Google Patents

Fremgangsmaade til fremstilling af cyclopentenoloner

Info

Publication number
DK151795C
DK151795C DK522380A DK522380A DK151795C DK 151795 C DK151795 C DK 151795C DK 522380 A DK522380 A DK 522380A DK 522380 A DK522380 A DK 522380A DK 151795 C DK151795 C DK 151795C
Authority
DK
Denmark
Prior art keywords
cyclopentenolons
procedure
preparation
Prior art date
Application number
DK522380A
Other languages
English (en)
Other versions
DK522380A (da
DK151795B (da
Inventor
Kenji Saito
Hiroshi Yamachika
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 JP15945479A external-priority patent/JPS5681531A/ja
Priority claimed from JP7045680A external-priority patent/JPS56166144A/ja
Priority claimed from JP9536880A external-priority patent/JPS5721333A/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of DK522380A publication Critical patent/DK522380A/da
Publication of DK151795B publication Critical patent/DK151795B/da
Application granted granted Critical
Publication of DK151795C publication Critical patent/DK151795C/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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/59—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in five-membered rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK522380A 1979-12-07 1980-12-05 Fremgangsmaade til fremstilling af cyclopentenoloner DK151795C (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP15945479A JPS5681531A (en) 1979-12-07 1979-12-07 Preparation of cyclopentenolones
JP15945479 1979-12-07
JP7045680 1980-05-26
JP7045680A JPS56166144A (en) 1980-05-26 1980-05-26 Preparation of cyclopentenolone
JP9536880 1980-07-11
JP9536880A JPS5721333A (en) 1980-07-11 1980-07-11 Preparation of cyclopentenolone

Publications (3)

Publication Number Publication Date
DK522380A DK522380A (da) 1981-06-08
DK151795B DK151795B (da) 1988-01-04
DK151795C true DK151795C (da) 1988-06-06

Family

ID=27300337

Family Applications (1)

Application Number Title Priority Date Filing Date
DK522380A DK151795C (da) 1979-12-07 1980-12-05 Fremgangsmaade til fremstilling af cyclopentenoloner

Country Status (5)

Country Link
US (1) US4510329A (da)
EP (1) EP0035060B1 (da)
DE (1) DE3063194D1 (da)
DK (1) DK151795C (da)
HU (1) HU186373B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498592A1 (fr) * 1980-06-10 1982-07-30 Sumitomo Chemical Co Procede de preparation de derives d'oxocyclopentene et nouveaux produits ainsi obtenus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH439274A (de) * 1964-03-03 1967-07-15 Firmenich & Cie Verfahren zur Herstellung eines Cyclopentenonderivates
NL174940C (nl) * 1973-03-14 1984-09-03 Stamicarbon Werkwijze voor de bereiding van cyclohexaan-1,3-dion en alkylgesubstitueerde derivaten hiervan.
JPS5121146A (en) * 1974-08-16 1976-02-20 Hitachi Ltd Heisahaidenbanno danrosochi
US4076732A (en) * 1977-03-30 1978-02-28 American Cyanamid Company Derivatives of α-(6-carboxyhexyl) furfuryl alcohol
US4282372A (en) * 1978-11-01 1981-08-04 Sumitomo Chemical Company, Limited Process for producing cyclopentenolones

Also Published As

Publication number Publication date
DE3063194D1 (en) 1983-06-16
EP0035060A1 (en) 1981-09-09
EP0035060B1 (en) 1983-05-11
DK522380A (da) 1981-06-08
HU186373B (en) 1985-07-29
DK151795B (da) 1988-01-04
US4510329A (en) 1985-04-09

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Legal Events

Date Code Title Description
PUP Patent expired