1-Cbz-氨基-2-甲基氨基-乙烷盐酸盐 、
[(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-7-oxo-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-9-yl] (4-nitrophenyl) carbonate;hydrochloride 在
三乙胺 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以74%的产率得到[(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-7-oxo-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-9-yl] N-methyl-N-[2-(phenylmethoxycarbonylamino)ethyl]carbamate