(S)-2-{(S)-5-Benzyloxycarbonylamino-1-[(6-chloro-1,1-dioxo-7-sulfamoyl-1,2,3,4-tetrahydro-1λ6-benzo[1,2,4]thiadiazin-3-ylmethyl)-ethoxycarbonylmethyl-carbamoyl]-pentylamino}-4-phenyl-butyric acid ethyl ester 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
以42%的产率得到N-{[7-(aminosulfonyl)-6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazin-3-yl]methyl}-N-{N
2-(1-carboxy-3-phenylpropyl)-N
6-[(phenylmethoxy)carbonyl]L-lysyl}glycine S,S-dioxide