FR2348931B1 - - Google Patents

Info

Publication number
FR2348931B1
FR2348931B1 FR7711713A FR7711713A FR2348931B1 FR 2348931 B1 FR2348931 B1 FR 2348931B1 FR 7711713 A FR7711713 A FR 7711713A FR 7711713 A FR7711713 A FR 7711713A FR 2348931 B1 FR2348931 B1 FR 2348931B1
Authority
FR
France
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
FR7711713A
Other languages
French (fr)
Other versions
FR2348931A1 (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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 JP4429576A external-priority patent/JPS52128362A/en
Priority claimed from JP14683576A external-priority patent/JPS5371053A/en
Application filed by Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Publication of FR2348931A1 publication Critical patent/FR2348931A1/en
Application granted granted Critical
Publication of FR2348931B1 publication Critical patent/FR2348931B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0051—Estrane derivatives
    • C07J1/0081—Substituted in position 17 alfa and 17 beta
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J21/005—Ketals
    • C07J21/008—Ketals at position 17
FR7711713A 1976-04-19 1977-04-19 PERFECTED PROCESS FOR PREPARING 17-ACETALS OF 3-ALCOXYESTRA-2,5 (10) -DIENE-17-ONES Granted FR2348931A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4429576A JPS52128362A (en) 1976-04-19 1976-04-19 Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one
JP14683576A JPS5371053A (en) 1976-12-07 1976-12-07 Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one

Publications (2)

Publication Number Publication Date
FR2348931A1 FR2348931A1 (en) 1977-11-18
FR2348931B1 true FR2348931B1 (en) 1980-06-06

Family

ID=26384146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711713A Granted FR2348931A1 (en) 1976-04-19 1977-04-19 PERFECTED PROCESS FOR PREPARING 17-ACETALS OF 3-ALCOXYESTRA-2,5 (10) -DIENE-17-ONES

Country Status (5)

Country Link
DD (1) DD132347A5 (en)
DE (1) DE2717310A1 (en)
FR (1) FR2348931A1 (en)
GB (1) GB1527699A (en)
NL (1) NL7704220A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141600A (en) * 1983-02-02 1984-08-14 Mitsubishi Chem Ind Ltd Preparation of estrone

Also Published As

Publication number Publication date
FR2348931A1 (en) 1977-11-18
DE2717310A1 (en) 1977-11-03
DD132347A5 (en) 1978-09-20
GB1527699A (en) 1978-10-04
NL7704220A (en) 1977-10-21

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Legal Events

Date Code Title Description
ST Notification of lapse