DE2750325C2 - - Google Patents

Info

Publication number
DE2750325C2
DE2750325C2 DE2750325A DE2750325A DE2750325C2 DE 2750325 C2 DE2750325 C2 DE 2750325C2 DE 2750325 A DE2750325 A DE 2750325A DE 2750325 A DE2750325 A DE 2750325A DE 2750325 C2 DE2750325 C2 DE 2750325C2
Authority
DE
Germany
Prior art keywords
general formula
radical
water
given above
mixture
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 - Lifetime
Application number
DE2750325A
Other languages
German (de)
English (en)
Other versions
DE2750325A1 (de
Inventor
Keith Blakeney Macclesfield Cheshire Gb Mallion
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.)
Mallinckrodt Veterinary Inc
Original Assignee
Imperial 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
Priority claimed from GB4766376A external-priority patent/GB1540394A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2750325A1 publication Critical patent/DE2750325A1/de
Application granted granted Critical
Publication of DE2750325C2 publication Critical patent/DE2750325C2/de
Granted 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
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
    • C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE19772750325 1976-11-16 1977-11-10 Verfahren zur herstellung von prostaglandinzwischenprodukten Granted DE2750325A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4766376A GB1540394A (en) 1976-11-16 1976-11-16 Chemical process for the manufacture of cyclopenta(b)furan derivatives
GB5119576 1976-12-08

Publications (2)

Publication Number Publication Date
DE2750325A1 DE2750325A1 (de) 1978-05-18
DE2750325C2 true DE2750325C2 (enExample) 1990-12-13

Family

ID=26266104

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772750325 Granted DE2750325A1 (de) 1976-11-16 1977-11-10 Verfahren zur herstellung von prostaglandinzwischenprodukten

Country Status (2)

Country Link
US (1) US4233454A (enExample)
DE (1) DE2750325A1 (enExample)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888905A (en) * 1969-02-17 1975-06-10 Searle & Co Prostaglandin intermediates and optically active isomers thereof
US3652643A (en) * 1969-04-28 1972-03-28 Pfizer Methyl 3 3-dichloro-1-lower alkoxy-2-oxo cyclopentane carboxylate
US3910965A (en) * 1971-11-29 1975-10-07 Sankyo Co Process for the preparation of 2-formylcyclopentane derivatives
US3912725A (en) * 1972-08-30 1975-10-14 American Home Prod Process for converting a type prostaglandins to E type prostaglandins
GB1427541A (en) 1973-01-15 1976-03-10 Ici Ltd Cyclopenteno-b-furan derivatives
US4020172A (en) * 1973-05-15 1977-04-26 Imperial Chemical Industries Limited Lactone aldehydes
GB1430105A (en) * 1973-05-15 1976-03-31 Ici Ltd Bicyclo-octane derivatides
US3957795A (en) * 1974-01-28 1976-05-18 Delmar Chemicals Limited Novel cyclopentene and cyclopentane derivatives
GB1502610A (en) * 1974-12-12 1978-03-01 Ici Ltd Process for the preparation of prostaglandin intermediate

Also Published As

Publication number Publication date
US4233454A (en) 1980-11-11
DE2750325A1 (de) 1978-05-18

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: C07C 69/675

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PITMAN-MOORE, INC. (N.D.GES. D. STAATES DELAWARE),

8328 Change in the person/name/address of the agent

Free format text: ANDRAE, S., DIPL.-CHEM. DR.RER.NAT., 81541 MUENCHEN FLACH, D., DIPL.-PHYS., 83022 ROSENHEIM HAUG, D., DIPL.-ING., 7320 GOEPPINGEN KNEISSL, R., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE, 81541 MUENCHEN