Ethyl 1-methyl-7-(trifluoromethylsulfonyloxy)indole-2-carboxylate 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 9-borabicyclo[3.3.1]nonyl trifluoromethanesulfonate 、
potassium carbonate 作用下,
以
四氢呋喃 、 DMF (N,N-dimethyl-formamide) 、
水 为溶剂,
反应 5.0h,
生成 7-(1-tert-butoxycarbonyl-piperidin-4-ylmethyl)-1-methyl-1H-indole-2-carboxylic acid ethyl ester