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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Merck and Co Inc
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Merck and Co Inc
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Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Priority to FR804936ApriorityCriticalpatent/FR1451159A/fr
Application grantedgrantedCritical
Publication of FR1451159ApublicationCriticalpatent/FR1451159A/fr
C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero 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
(AREA)
Organic Chemistry
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Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
FR804936A1959-09-111959-09-11Procédé de préparation de stéroïdes 6 alpha, 16 alpha-dialkyl-11-oxygénés de la série du prégnane
ExpiredFR1451159A
(fr)
Procédé de préparation de nouveaux 16 alpha, 17 alpha-cétals ou -acétals des 16 alpha-hydroxy-6 alpha-fluoro- ou -chloro- dérivés d'hormones de la série du prégnane