Li Xiao-song
2008
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Journal
Chemical Reagents
Abstract
The synthesis of diethyl methylenecyclopropane-2,2dicarboxylate through three different routes was investigated.The reaction of electrophile ethyl cyanoformate with cyclopropylcarbanion formed via the reaction of LDA and ethyl methylenecyclopropane-2-carboxylate in the presence of dry LiCl can smoothly produce target compound in good yield to provide an alternative way to synthesize target compound in large scale.