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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Olin Corp
Original Assignee
Olin Corp
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Publication date
Application filed by Olin CorpfiledCriticalOlin Corp
Priority to ES0238718ApriorityCriticalpatent/ES238718A3/en
Publication of ES238718A3publicationCriticalpatent/ES238718A3/en
Process for the preparation of a steroid, characterized in that to obtain a halo-steroid of the general formula indicated in (1), in which the 4,5 position is double bond or saturated, and wherein r is -h, r "is -oh or together r and r" are = o, or a group transformable in this element by hydrolysis, r "'' is h, r" '' '' is (º) -oh or together r '' '' and r '' '' '' are = o, x is a (alpha) halogen group, and is an element of the class consisting of -h, -oh and -o- (acyl) and z is an element of the class formed by -h, -oh and -o- (acyl) and z is an element of the class constituted by -h and (alpha) -oh, the process consists of transforming a steroid of the general formula indicated in (1) but in which r "'' '= r"' '' '' = oh, in the corresponding 11 alpha-sulfonyl-oxy derivative, in transforming this derivative into the corresponding delta compound 9,11 and in transforming the latter in the corresponding 9 alpha-halo-11β-hydroxy compound. (Machine-translation by Google Translate, not legally binding)
ES0238718A1957-11-221957-11-22A procedure for the preparation of an esteroid (Machine-translation by Google Translate, not legally binding)
ExpiredES238718A3
(en)
A procedure for the preparation of alpha-methyl 9 alfafluoro delta1-corticosterone and its esters. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of therapeutically very valuable esters of the carboxylic acid of 17-alkyl-19-nor-testosterone (Machine-translation by Google Translate, not legally binding)