The invention provides a new process for the preparation of optically active Beraprost of formula (I) starting from racemic Beraprost alkyl ester through hydrolysis, enantiomer esterification, preparation of diacyl -Beraprost ester diastereomers and their separation and hydrolysis.
本发明提供了一种新的制备光学活性Beraprost的方法,从外消旋Beraprost烷基酯开始,通过
水解、对映异构体酯化、制备二酰基-Beraprost酯二对映体及其分离和
水解。其
化学式为(I)。