(E)-tert-butyl-(3-methyl-1H-indol-2-yl)methyl(4-oxo-4-phenylbut-2-enyl)carbamate 在
(S)-3,3'-bis(triphenylsilyl)-1,1'-binaphthyl-2,2'-diyl hydrogenphosphate 作用下,
以
甲苯 为溶剂,
反应 48.0h,
以72%的产率得到tert-butyl-10-methyl-4-(2-oxo-2-phenylethyl)-3,4-dihydropyrazino[1,2-a]indole-2(1H)-carboxylate