The invention relates to a process for the preparation of a compound of formula (I):
wherein R1 and R2 are as defined in the description, by reaction of a compound of formula (II)
with a base.
Compound (I) is an intermediate useful in the preparation of gestodene.
本发明涉及一种制备式(I)化合物的方法:其中R1和R2如描述中所定义,通过将式(II)化合物与碱反应制备得到。化合物(I)是制备醇炔
雌激素的有用中间体。