The invention relates to a process for the preparation of 13,14-dihydro-PGF
2α
derivatives of R or S configuration at carbon 15, represented by the general formula (I), wherein the identity of the substituents is defined in the description. Compounds of the formula (I) are valuable biologically-active substances or intermediates in the preparation thereof. The invention especially relates to the process for preparation of 13,14-dihydro-15(R)-17-substituted-18,19,20-trinor-PGF
2α
, i.e., latanoprost.
本发明涉及一种制备在碳15处具有R或S构型的13,14-二氢-
PGF2α衍
生物的方法,该衍
生物由通式(I)表示,其中置换基的身份在说明中定义。式(I)化合物是有价值的
生物活性物质或制备中间体。本发明特别涉及制备13,14-二氢-15(R)-17-取代-18,19,20-三去甲-
PGF2α,即
拉坦前列素的方法。