(3-(2-(1-cycloheptyl-5-(3,3-dimethyl-2-oxo-butyl)-2,4-dioxo-1,2,4,5-tetrahydro-1,3,5-benzotriazepin-3-yl)-acetylamino)-phenylsulfanyl)-acetic acid benzyl ester 在
sodium hydroxide 、
水 作用下,
以
甲醇 为溶剂,
以77%的产率得到(3-{2-[1-cycloheptyl-5-(3,3-dimethyl-2-oxo-butyl)-2,4-dioxo-1,2,4,5-tetrahydro-1,3,5-benzotriazepin-3-yl]-acetylamino}-phenylsulfanyl)-acetic acid