3-benzyloxyestra-1,3,5(10),16-tetraeno[17,16-e]-2'-(glycyl-O-benzyl-L-serinylamino)pyrimidine 、
2,5-dioxopyrrolidin-1-yl O-benzyl-N-t-butoxycarbonyl-L-serinate 以
二氯甲烷 为溶剂,
反应 17.0h,
以50%的产率得到tert-butyl N-[(2S)-1-[[2-[[(2S)-1-[[(1R,2S,10S,13S)-10-methyl-17-phenylmethoxy-6,8-diazapentacyclo[11.8.0.02,10.04,9.014,19]henicosa-4,6,8,14(19),15,17-hexaen-7-yl]amino]-1-oxo-3-phenylmethoxypropan-2-yl]amino]-2-oxoethyl]amino]-1-oxo-3-phenylmethoxypropan-2-yl]carbamate