There is described a process for the industrial synthesis of 11-methylene-18- methyl-estr-4-en-3, 17-dione, a compound having the structure formula (I) depicted below: (Formula I) (I) useful as intermediate compound in the synthesis of the progestin compounds Desogestrel and Etonogestrel.
描述了一种工业合成11-亚甲基-18-甲基-
雌甾-4-烯-3,17-二酮的过程,该化合物具有下面描绘的结构式(I):(结构式I)(I)在合成孕激素化合物去
炔诺酮和依诺酮中作为中间化合物有用。