3-{({3-[[2-(6-Benzyloxycarbonylamino-purin-9-yl)-acetyl]-(tert-butoxycarbonylamino-methyl)-amino]-propionylamino}-methyl)-[2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-acetyl]-amino}-propionic acid ethyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
以96%的产率得到3-{({3-[[2-(6-Benzyloxycarbonylamino-purin-9-yl)-acetyl]-(tert-butoxycarbonylamino-methyl)-amino]-propionylamino}-methyl)-[2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-acetyl]-amino}-propionic acid