No abstract

Diels-Alder addition of an ethylene equivalent to steroidal 14~6-dien-I 7-yl acetates provides a novel synthetic route to 14a-formylestrone, and, hence, to the 14a-hydroxymethyl and 14a-methyl analogues.

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Die Dienylacetate (I) und Phenylvinylsulfon (II) bilden in selektiver Weise die Cycloaddukte (III), aus denen durch Reduktion und Acetylierung die Acetoxycyclo‐ 133 pentene (IV) entstehen.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.