The Journal of Organic Chemistry

The nickel-promoted 1, 3-migration of an sp2 center; ring expansion of a vinylcyclobutene

D DiFrancesco, AR Pinhas

Index: DiFrancesco, Dale; Pinhas, Allan R. Journal of Organic Chemistry, 1986 , vol. 51, # 11 p. 2098 - 2102

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Citation Number: 15

Abstract

Due to our interest in transition metal promoted rearrangements, we became intrigued by a report in which dimethyl 3-viny1-1, 2-dichlorocyclobutane-1, 2-dicarboxylate (1) undergoes a ring expansion, with concomitant loss of the chlorines, to give dimethyl 1, 4- cyclohexadiene-l, 2-di-