ES477954A1 - A procedure for preparing a 17a-chlorine-17b- (m-sulfinil) -1,4-androstadien-3-ona. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for preparing a 17a-chlorine-17b- (m-sulfinil) -1,4-androstadien-3-ona. (Machine-translation by Google Translate, not legally binding)
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Scherico Ltd
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Scherico Ltd
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Priority claimed from US05/881,217external-prioritypatent/US4183924A/en
Application filed by Scherico LtdfiledCriticalScherico Ltd
Publication of ES477954A1publicationCriticalpatent/ES477954A1/en
1. A process for preparing a 17 alpha-chloro 17 beta- (m-sulfinyl) -1,4-androstadien-3-one having the following partial formula at c-17: ** (formula 01) ** where m is a benzyl, phenethyl, methylbenzyl, dimethylbenzyl, chlorobenzyl or dichlorobenzyl group or an alkyl group having 1 to 8 carbon atoms, characterized in that a 17alpha- (m-thio) -1,4-androstadiene is reacted -3-one, which has the following partial formula in c-17: ** (formula 02) ** where m is in accordance with that defined above, with a chlorine source in a solvent system comprising water, and a water-soluble base, at a temperature of about -78 to about 25 degrees centigrade. (Machine-translation by Google Translate, not legally binding)
ES477954A1978-02-271979-02-22A procedure for preparing a 17a-chlorine-17b- (m-sulfinil) -1,4-androstadien-3-ona. (Machine-translation by Google Translate, not legally binding)
ExpiredES477954A1
(en)
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