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.)
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Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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Filing date
Publication date
Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
Application grantedgrantedCritical
Publication of FR1079820ApublicationCriticalpatent/FR1079820A/fr
C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J75/00—Processes for the preparation of steroids in general
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Chemical & Material Sciences
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Organic Chemistry
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Health & Medical Sciences
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General Health & Medical Sciences
(AREA)
FR1079820D1952-02-111953-02-1116. 17-oxydo-20.21-cétols de la série des stéroïdes et leur procédé de préparation
ExpiredFR1079820A
(fr)