Cyclopropanation of vinylidenecyclopropanes. Synthesis of 1-(dihalomethylene) spiropentanes

H Maeda, T Hirai, A Sugimoto…

Index: Battioni-Savignat,P. et al. Bulletin de la Societe Chimique de France, 1967 , p. 3929 - 3930

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Citation Number: 53

Abstract

... 1a - e, g ,h,j,k,2 Although addition reaction of carbenes to allenes is one of the straightforward methods for the synthesis of methylenecyclopropanes, 3 it is difficult to control the regiochemistry of products 3h,j,k,m,o,p and further addition of carbenes to the ...