(R)-2-Amino-3-[5-((S)-2-benzyloxycarbonylamino-propionyloxy)-8-bromo-9,9-dimethyl-9H-xanthen-4-yldisulfanyl]-propionic acid methyl ester 以
氘代二甲亚砜 为溶剂,
生成 (R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-(8-bromo-5-hydroxy-9,9-dimethyl-9H-xanthen-4-yldisulfanyl)-propionic acid methyl ester