Diethyl 2-(3-(2-chlorophenyl)allyl)-2-(4-oxopent-2-yn-1-yl)malonate 在
金 silica gel 、
正己烷 、
邻二氯苯 、
ethyl acetate n-hexane 作用下,
以
邻二氯苯 为溶剂,
反应 0.5h,
以The title compound was isolated as a yellow oil in quant. yield (0.298 g)的产率得到diethyl 4-acetyl-8-chloro-1H-cyclopenta[b]naphthalene-2,2(3H)-dicarboxylate