rac-4-{[(2'S,3'R,4'S,5'R)-6-chloro-4'-(3-chloro-2-fluoro-phenyl)-2'-(2,2-dimethyl-propyl)-2-oxo-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carbonyl]amino}-2-fluoro-5-methoxy-benzoic acid methyl ester 在
lithium hydroxide monohydrate 、
水 作用下,
以
四氢呋喃 、
甲醇 、
二氧化碳 为溶剂,
20.0~35.0 ℃
、10.0 MPa
条件下,
生成
rac-4-{[(2'S,3'R,4'S,5'R)-6-chloro-4'-(3-chloro-2-fluoro-phenyl)-2'-(2,2-dimethyl-propyl)-2-oxo-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carbonyl]amino}-2-fluoro-5-methoxy-benzoic acid 、
4-{[(2'R,3'S,4'R,5'S)-6-chloro-4'-(3-chloro-2-fluoro-phenyl)-2'-(2,2-dimethyl-propyl)-2-oxo-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carbonyl]-amino}-2-fluoro-5-methoxy-benzoic acid