ES456132A1 - A procedure for the preparation of d-homosteroids. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for the preparation of d-homosteroids. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES456132A1
ES456132A1 ES456132A ES456132A ES456132A1 ES 456132 A1 ES456132 A1 ES 456132A1 ES 456132 A ES456132 A ES 456132A ES 456132 A ES456132 A ES 456132A ES 456132 A1 ES456132 A1 ES 456132A1
Authority
ES
Spain
Prior art keywords
homosteroids
translation
preparation
machine
legally binding
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
ES456132A
Other languages
Spanish (es)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of ES456132A1 publication Critical patent/ES456132A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J63/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms

Abstract

A process for the preparation of D-homosteroids, of the general formula ** (Formula) ** wherein the dashed line in ring C represents an optional carbon-carbon bond, R18 represents a hydrogen atom or a group of methyl, R17abeta represents a hydrogen atom or an acyl, lower alkyl, cycloalkyl- (lower alkyl), benzyl, furfuryl or tetrahydropyranyl group and R17aalfa represents a hydrogen atom or a lower alkyl, ethynyl, vinyl, allyl, metalyl group, propadienyl, 1-propynyl, butadinyl, or chloroethynyl. (Machine-translation by Google Translate, not legally binding)
ES456132A 1976-02-23 1977-02-22 A procedure for the preparation of d-homosteroids. (Machine-translation by Google Translate, not legally binding) Expired ES456132A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT126976A AT348162B (en) 1976-02-23 1976-02-23 METHOD FOR PRODUCING NEW D-HOMOSTEROIDS

Publications (1)

Publication Number Publication Date
ES456132A1 true ES456132A1 (en) 1978-05-16

Family

ID=3510224

Family Applications (1)

Application Number Title Priority Date Filing Date
ES456132A Expired ES456132A1 (en) 1976-02-23 1977-02-22 A procedure for the preparation of d-homosteroids. (Machine-translation by Google Translate, not legally binding)

Country Status (5)

Country Link
AT (1) AT348162B (en)
BE (1) BE851687A (en)
CH (1) CH626898A5 (en)
ES (1) ES456132A1 (en)
ZA (1) ZA77934B (en)

Also Published As

Publication number Publication date
AT348162B (en) 1979-02-12
ZA77934B (en) 1977-12-28
CH626898A5 (en) 1981-12-15
BE851687A (en) 1977-08-22
ATA126976A (en) 1978-06-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991102