1-(2-((tert-butyldimethylsilyloxy)methyl)-1-methyl-6-(2-methylallyloxy)-1H-indol-5-yl)prop-2-en-1-one 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) crude residue 、 silica gel 作用下,
以
甲苯 为溶剂,
反应 16.0h,
以to afford the title compound as a white solid (2.0 g, 72%)的产率得到8-((tert-butyldimethylsilyloxy)methyl)-3,9-dimethyl-2H-oxepino[3,2-f]indol-5(9H)-one