Novel processes for the preparation of a compound of Formula I-2 substantially free of the 5,6-trans isomer:
wherein
R
2
, R
3
and R
4
are as defined in the specification are provided. Novel intermediates for the preparations of isomer free Prostaglandins and derivatives thereof are also provided.
提供了一种用于制备基本上不含5,6-顺式异构体的化合物I-2的新工艺:其中R2、R3和R4如规范中定义。还提供了用于制备无异构体
前列腺素及其衍
生物的新中间体。