N-((4,7,10-tris[(tert-butoxy)carbonyl]-1,4,7,10-tetraazacyclododecan-1-yl)acetyl)-glycyl-S-[(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)methyl]-L-cysteine methyl ester 在
sodium hydroxide 作用下,
以
甲醇 、
水 为溶剂,
反应 2.0h,
以93%的产率得到N-((4,7,10-tris[(tert-butoxy)carbonyl]-1,4,7,10-tetraazacyclododecan-1-yl)acetyl)-glycyl-S-[(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)methyl]-L-cysteine