3-[2-(1-methyl-7-nitro-2,5-dioxo-1,2,3,5-tetrahydro-benzo[e][1,4]diazepin-4-yl)-acetylamino]-propionic acid ethyl ester 、
异氰酸苄酯 在
钯 作用下,
以
乙醇 为溶剂,
以gave 3-[2-[7-(3-benzyl-ureido)-1-methyl-2,5-dioxo-1,2,3,5-tetrahydro-benzo[e][1,4]diazepin-4-yl]-acetylamino]-propionic acid ethyl ester的产率得到3-[2-[7-(3-benzyl-ureido)-1-methyl-2,5-dioxo-1,2,3,5-tetrahydro-benzo[e][1,4]diazepin-4-yl]-acetylamino]-propionic acid ethyl ester