[(S)-1-(2-{[2-((S)-2-Benzyloxycarbonylamino-propionylamino)-ethyl]-tert-butoxycarbonyl-amino}-ethylcarbamoyl)-ethyl]-carbamic acid benzyl ester 在
palladium on activated charcoal
氢气 、
三乙胺 作用下,
以
乙醇 、
二氯甲烷 为溶剂,
生成 tert-butyl (6S,16S)-6,16-dimethyl-4,7,15,18-tetraoxo-22,32,40,42-tetrapropoxy-5,8,11,14,17-pentazahexacyclo[19.11.7.13,31.119,23.125,29.134,38]tritetraconta-1,3(41),19(43),20,22,25,27,29(42),31,34(40),35,37-dodecaene-11-carboxylate