2,5-dioxo-1-pyrrolidinyl 2-(5-acetyl-3-benzyl-3,4-dihydro-2,4-dioxopyrimidin-1(2H)-yl)acetate 、
L-酪氨酸乙酯 以
四氢呋喃 为溶剂,
反应 8.0h,
以60%的产率得到ethyl 2-[[2-(5-acetyl-3-benzyl-3,4-dihydro-2,4-dioxopyrimidin-1(2H)-yl)-1-oxoethyl]amino]-3-(4-hydroxyphenyl)propionate