JPS5390247A - 2-methylene-4-oxycyclopentanone derivs. and process for their preparation - Google Patents

2-methylene-4-oxycyclopentanone derivs. and process for their preparation

Info

Publication number
JPS5390247A
JPS5390247A JP15636776A JP15636776A JPS5390247A JP S5390247 A JPS5390247 A JP S5390247A JP 15636776 A JP15636776 A JP 15636776A JP 15636776 A JP15636776 A JP 15636776A JP S5390247 A JPS5390247 A JP S5390247A
Authority
JP
Japan
Prior art keywords
oxycyclopentanone
derivs
methylene
preparation
alkyl
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.)
Granted
Application number
JP15636776A
Other languages
Japanese (ja)
Other versions
JPS5550018B2 (en
Inventor
Sei Kondo
Daiei Tsunemoto
Teruo Umemoto
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.)
Sagami Chemical Research Institute
Original Assignee
Sagami Chemical Research Institute
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 Sagami Chemical Research Institute filed Critical Sagami Chemical Research Institute
Priority to JP15636776A priority Critical patent/JPS5390247A/en
Priority to GB777045A priority patent/GB1541962A/en
Priority to DE19772708220 priority patent/DE2708220A1/en
Priority to FR7705665A priority patent/FR2342283A1/en
Priority to US05/862,329 priority patent/US4212984A/en
Publication of JPS5390247A publication Critical patent/JPS5390247A/en
Publication of JPS5550018B2 publication Critical patent/JPS5550018B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: 2-Methylene-4-oxycyclopentanone derivs. I(R is alkyl or aryl; R1 is H or hydroxy protecting gp.; R2 is (substd) alkyl; R5 is H or alkyl), e.g. cpd. I(R is phenyl, R1 is 1-ethoxyethyl; R2 is penyl; R2 is H).
COPYRIGHT: (C)1978,JPO&Japio
JP15636776A 1976-02-25 1976-12-27 2-methylene-4-oxycyclopentanone derivs. and process for their preparation Granted JPS5390247A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP15636776A JPS5390247A (en) 1976-12-27 1976-12-27 2-methylene-4-oxycyclopentanone derivs. and process for their preparation
GB777045A GB1541962A (en) 1976-02-25 1977-02-18 Prostaglandin precursors and processes for preparing the same
DE19772708220 DE2708220A1 (en) 1976-02-25 1977-02-25 PROSTAGLANDIN PRECURSORS AND METHOD OF MANUFACTURING IT
FR7705665A FR2342283A1 (en) 1976-02-25 1977-02-25 PRECURSOR OF PROSTAGLANDINS AND THEIR PREPARATION METHODS
US05/862,329 US4212984A (en) 1976-12-27 1977-12-20 Prostaglandin precursors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15636776A JPS5390247A (en) 1976-12-27 1976-12-27 2-methylene-4-oxycyclopentanone derivs. and process for their preparation

Publications (2)

Publication Number Publication Date
JPS5390247A true JPS5390247A (en) 1978-08-08
JPS5550018B2 JPS5550018B2 (en) 1980-12-16

Family

ID=15626194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15636776A Granted JPS5390247A (en) 1976-02-25 1976-12-27 2-methylene-4-oxycyclopentanone derivs. and process for their preparation

Country Status (1)

Country Link
JP (1) JPS5390247A (en)

Also Published As

Publication number Publication date
JPS5550018B2 (en) 1980-12-16

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