16-dimethylaminomethylene-3-methoxy-1,3,5(10)-estratrien-17-one is a valuable new preparative intermediate which may be used, e.g., to prepare 17.beta.-hydroxy-16.beta.-ethyl-4-estren-3-one or 16.beta.-ethylestradiol.
16-
二甲胺甲亚甲基-3-甲氧基-1,3,5(10)-雌
三烯-17-酮是一种有价值的新制备中间体,可用于制备17-β-羟基-16-β-乙基-4-
雌甾-3-酮或16-β-乙基
雌二醇等物质。