A process for synthesis of 4S-phenyl -3-[(5S)-5-(4-fluorophenyl)-5-hydroxypentanoyl] -1,3 oxazolidin 2-one comprising resolution of 4S-phenyl -3-[(5RS)-5-(4-fluorophenyl)-5-hydroxypentanoyl] -1,3 oxazolidin 2-one by selective esterification of 4S-phenyl -3-[(5R)-5-(4-fluorophenyl)-5-hydroxypentanoyl] -1,3 oxazolidin 2-one using appropriate esterification reagent in an organic solvent in presence of Lipase enzyme at a temperature ranging from 0° to 100°C, and further isolation.
一种合成4S-苯基-3-[(5S)-5-(4-
氟苯基)-5-羟基戊酰基]-1,3-
噁唑烷-2-酮的方法,包括通过在有机溶剂中,在0°C至100°C的温度范围内,利用适当的酯化试剂在
脂肪酶酶存在下,通过选择性酯化4S-苯基-3-[(5R)-5-(4-
氟苯基)-5-羟基戊酰基]-1,3-
噁唑烷-2-酮来实现4S-苯基-3-[(5RS)-5-(4-
氟苯基)-5-羟基戊酰基]-1,3-
噁唑烷-2-酮的分离。