13-cyclohexyl-3-phenylmethoxy-7H-indolo[2,1-a][2]benzazepine-6,10-dicarboxylic acid 10-(1,1-dimethylethyl) ester 6-methyl ester 在
sodium hydride 作用下,
以
二甲基亚砜 为溶剂,
反应 18.5h,
生成 5-tert-butyl 1a-methyl 11-(benzyloxy)-8-cyclohexyl-1,12b-dihydrocyclopropa[d]indolo[2,1-a][2]benzazepine-1a,5(2H)-dicarboxylate