4-semicarbazone-3(S)-[2-(2-oxo-5-phenyl-3(S)-(4-chloro-2-trifluoromethylphenylcarbamoyloxymethyl)-2,3-dihydro-benzo[e][1,4]diazepin-1-yl)acetylamino]butyric acid tert-butyl ester 在
三氟乙酸 、
聚合甲醛 、
溶剂黄146 作用下,
以
二氯甲烷 、
甲醇 为溶剂,
生成 (4-Chloro-2-trifluoromethyl-phenyl)-carbamic acid (S)-1-[((S)-2-hydroxy-5-oxo-tetrahydro-furan-3-ylcarbamoyl)-methyl]-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-ylmethyl ester