(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-7-oxo-N-[2-(4-phenylphenyl)ethyl]-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-9-carboxamide 在
盐酸 、
锌 、
ammonium hydroxide 作用下,
以
水 、
溶剂黄146 为溶剂,
反应 0.5h,
以70%的产率得到(1R,9R,10S)-17-(cyclopropylmethyl)-3,10-dihydroxy-13-oxo-N-[2-(4-phenylphenyl)ethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4-carboxamide