(2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(((S)-1-(chloromethyl)-3-(5-(2-(dimethylamino)ethoxy)-1H-indole-2-carbonyl)-2,3-dihydro-1H-benzo[e]indol-5-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以90%的产率得到[(1S)-1-(chloromethyl)-5-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,2-dihydrobenzo[e]indol-3-yl]-[5-[2-(dimethylamino)ethoxy]-1H-indol-2-yl]methanone