Author:
Pouzar Vladimír,Kárászová Lenka,Havel Miroslav
Abstract
Reaction of 3β-methoxymethoxy-21-nor-5-pregnen-20-ol p-toluenesulfonate (II) with sodium dimethyl malonate afforded dimethyl 3β-methoxymethoxy-5-pregnene-21,21-dicarboxylate (III). Partial hydrolysis of III, followed by reaction with formaldehyde and diethylamine, gave methyl 3β-methoxymethoxy-21-methylene-5-pregnene-21-carboxylate (XVI) which was further transformed into hemisuccinate XIX.
Publisher
Institute of Organic Chemistry & Biochemistry
Cited by
6 articles.
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