摘要:
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.
摘要:
The present invention relates to sulfamate benzothiophene compounds of the formula: (I) wherein R1, R2, R3, m and n are as defined in the specification. The invention also relates to pharmaceutical compositions containing these compounds and to methods of using them.
摘要:
The present invention concerns a process of isomerizing trans fused bicyclic derivatives into cis fused bicyclic derivatives and the preparation of vitamin D or analogs thereof comprising said isomerization step.
摘要:
The invention relates to a process for the preparation of a compound of formula 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.
摘要:
The present invention concerns a process of isomerizing trans fused bicyclic derivatives into cis fused bicyclic derivatives and the preparation of vitamin D or analogs thereof comprising said isomerisation step.
摘要:
The invention relates to compounds of the formula: in which R1, R2, R3, R4, R5, R6, n and X are as defined in the specification, and to pharmaceutical compositions containing them. These compounds are excellent progestogens which are devoid of residual androgenic activity.