10-tert-butyldimethylsilyloxy-6-methoxy-(1S,9R,10R,14S)-8,16,18-dioxaazapentacyclo[11.7.0.0
1,9,0
2.7.0
14,18]icosa-2(7),3,5,12-tetrene-17-one 在
二异丁基氢化铝 作用下,
以
二氯甲烷 为溶剂,
以69%的产率得到[(4S,7R,7aR,12bS)-7-[tert-butyl(dimethyl)silyl]oxy-9-methoxy-3-methyl-1,2,4,6,7,7a-hexahydro-[1]benzofuro[3,2-e]isoquinolin-4-yl]methanol