DE2963855D1 - Process for preparing 4-hydroxy-2-cyclopenten-i-ones, 2-methyl-2,5-dimethoxy-2,5-dihydrofurans and a process for their preparation - Google Patents

Process for preparing 4-hydroxy-2-cyclopenten-i-ones, 2-methyl-2,5-dimethoxy-2,5-dihydrofurans and a process for their preparation

Info

Publication number
DE2963855D1
DE2963855D1 DE7979104240T DE2963855T DE2963855D1 DE 2963855 D1 DE2963855 D1 DE 2963855D1 DE 7979104240 T DE7979104240 T DE 7979104240T DE 2963855 T DE2963855 T DE 2963855T DE 2963855 D1 DE2963855 D1 DE 2963855D1
Authority
DE
Germany
Prior art keywords
dihydrofurans
cyclopenten
dimethoxy
hydroxy
ones
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
DE7979104240T
Other languages
English (en)
Inventor
Takashi Matsuo
Kazunori Tsushima
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
Priority claimed from JP13538778A external-priority patent/JPS5562079A/ja
Priority claimed from JP13538678A external-priority patent/JPS5562038A/ja
Priority claimed from JP14141078A external-priority patent/JPS5566574A/ja
Priority claimed from JP14141178A external-priority patent/JPS5566572A/ja
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of DE2963855D1 publication Critical patent/DE2963855D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32—Oxygen atoms
    • 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
    • C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/32—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by aldehydo- or ketonic radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/36—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
DE7979104240T 1978-11-01 1979-10-31 Process for preparing 4-hydroxy-2-cyclopenten-i-ones, 2-methyl-2,5-dimethoxy-2,5-dihydrofurans and a process for their preparation Expired DE2963855D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP13538778A JPS5562079A (en) 1978-11-01 1978-11-01 Novel furan compound and its preparation
JP13538678A JPS5562038A (en) 1978-11-01 1978-11-01 Preparation of cyclopentenolones
JP14141078A JPS5566574A (en) 1978-11-15 1978-11-15 Novel furan compound and its production
JP14141178A JPS5566572A (en) 1978-11-15 1978-11-15 Novel epoxyketone and its preparation

Publications (1)

Publication Number Publication Date
DE2963855D1 true DE2963855D1 (en) 1982-11-18

Family

ID=27471914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979104240T Expired DE2963855D1 (en) 1978-11-01 1979-10-31 Process for preparing 4-hydroxy-2-cyclopenten-i-ones, 2-methyl-2,5-dimethoxy-2,5-dihydrofurans and a process for their preparation

Country Status (3)

Country Link
US (1) US4282372A (de)
EP (1) EP0010761B1 (de)
DE (1) DE2963855D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161344A (en) * 1980-05-16 1981-12-11 Sumitomo Chem Co Ltd Preparation of 3-oxocyclopentene compound
HU186372B (en) * 1979-12-06 1985-07-29 Sumitomo Chemical Co Process for producing 3-oxo-cyclopentene derivatives
US4510329A (en) * 1979-12-07 1985-04-09 Sumitomo Chemical Company, Limited Process for preparing cyclopentenolones
US4398043A (en) * 1980-12-10 1983-08-09 Sumitomo Chemical Company, Limited Process for preparing cyclopentenolones
US5618959A (en) * 1995-03-10 1997-04-08 Vivus Incorporated Process for preparing prostaglandin E1, E2 and analogs thereof using furylcopper reagents

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006169A (en) * 1976-02-26 1977-02-01 Smithkline Corporation Epoxidation of α,β-ethylenic ketones
JPS52122344A (en) * 1976-04-05 1977-10-14 Tatsuya Shiyouno Process for manufacture of cyclopentenone derivatives
DE2710420C2 (de) * 1977-03-10 1983-12-08 Basf Ag, 6700 Ludwigshafen Verfahren zur elektrolytischen Herstellung von 2,5-Dialkoxy-2,5-dihydrofuranen

Also Published As

Publication number Publication date
US4282372A (en) 1981-08-04
EP0010761A1 (de) 1980-05-14
EP0010761B1 (de) 1982-10-13

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee