4-[5-(1-ethynyl)-2-pyridinyl]piperazino-2-trifluoromethylphenylmethanone 、 [4-(5-iodo-2-pyridyl)piperazino]-2,5-dichlorophenylmethanone 、
三甲基乙炔基硅 以to give 4.3 g of the product as an off-white solid的产率得到2,5-dichlorophenyl-4-[5-(1-ethynyl)-2-pyridyl]piperazinomethanone