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Laboratoires Francais de Chimiotherapie SA
Laboratoires Francaise de Chimiotherapie
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Laboratoires Francais de Chimiotherapie SA
Laboratoires Francaise de Chimiotherapie
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Application filed by Laboratoires Francais de Chimiotherapie SA, Laboratoires Francaise de ChimiotherapiefiledCriticalLaboratoires Francais de Chimiotherapie SA
Publication of ES258276A1publicationCriticalpatent/ES258276A1/en
C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
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
(AREA)
Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
Steroid Compounds
(AREA)
Abstract
A process for the preparation of steroid derivatives characterized in that an alxoxymethylmagnesium halide is activated on a 20-keto delta16-steroid and, after hydrolysis of the intermediate magnesium formed, the corresponding 20-keto-16alpha-alkoxymethyl steroid is obtained. (Machine-translation by Google Translate, not legally binding)
ES0258276A1959-05-221960-05-21A procedure for the preparation of steroid derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES258276A1
(en)
Procedure for the preparation of steroids with anabolic effect with reduced androgen concurring effect (Machine-translation by Google Translate, not legally binding)
Process for making diazotype copies withthe aid ofthe socalled semi-wet development method and one component diazotype filmlayers for use in said process
Procedure for preparing injectable solutions of steroid hormones, at high concentrations (Machine-translation by Google Translate, not legally binding)