GB1142331A - A process for producing 2-substituted-cyclopentane-1,3-diones - Google Patents

A process for producing 2-substituted-cyclopentane-1,3-diones

Info

Publication number
GB1142331A
GB1142331A GB7059/66A GB705966A GB1142331A GB 1142331 A GB1142331 A GB 1142331A GB 7059/66 A GB7059/66 A GB 7059/66A GB 705966 A GB705966 A GB 705966A GB 1142331 A GB1142331 A GB 1142331A
Authority
GB
United Kingdom
Prior art keywords
dione
cyclopent
cyclopentane
diones
formula
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
GB7059/66A
Other languages
English (en)
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries 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 Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of GB1142331A publication Critical patent/GB1142331A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/753Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • C07C45/673Preparation 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 by change of size of the carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB7059/66A 1965-02-18 1966-02-17 A process for producing 2-substituted-cyclopentane-1,3-diones Expired GB1142331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP950065 1965-02-18

Publications (1)

Publication Number Publication Date
GB1142331A true GB1142331A (en) 1969-02-05

Family

ID=11721941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7059/66A Expired GB1142331A (en) 1965-02-18 1966-02-17 A process for producing 2-substituted-cyclopentane-1,3-diones

Country Status (3)

Country Link
US (1) US3381035A (enExample)
DE (1) DE1593570A1 (enExample)
GB (1) GB1142331A (enExample)

Families Citing this family (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
US5407910A (en) * 1993-10-12 1995-04-18 Union Camp Corporation Cyclopent-1-en-3,5-dione compounds and compositions

Also Published As

Publication number Publication date
DE1593570A1 (de) 1970-08-06
US3381035A (en) 1968-04-30

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