diphenylmethyl (2RS)-2-<(2R)-2-(3,4-dihydroxyphenyl)-2-<(4-ethyl-2,3-dioxopiperazin-1-yl)carbonylamino>acetamido>-2-formamidoacetate 在
三氟乙酸 作用下,
反应 1.0h,
以0.135 g的产率得到sodium (2RS)-2-<(2R)-2-(3,4-dihydroxyphenyl)-2-<(4-ethyl-2,3-dioxopiperazin-1-yl)carbonylamino>acetamido>-2-formamidoacetate