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Prepn. of methylene oxo-steroid(s) - with anabolic, androgenic and claudogenic props. for veterinary use
Prepn. of methylene oxo-steroid(s) - with anabolic, androgenic and claudogenic props. for veterinary use
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机译:准备亚甲氧基-类固醇-具有合成代谢,雄激素和生灭性道具。兽医用
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摘要
6-Methylene 3-oxo delta 4-steroids in which rings A and B of the steroid nucleus are of formula (I), are made by treatment of a 3-enol ether of a 6-hydroxymethyl steroid= in which the rings A and B are of formula (II), R being O-alkyl, O-hydroxyalkyl, O-cycloalkyl or O-alkylaryl, with a reactive acid able to regenerate the 3-oxo delta 4-steroid.
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