Tetrahedron

A reinvestigation of the claisen rearrangement of methyl γ-aryloxycrotonates a convenient synthesis of 3-ethylidenebenzofuran-2 (3H)-ones

K Sunitha, KK Balasubramanian

Index: Sunitha, K.; Balasubramanian, K. K. Tetrahedron, 1987 , vol. 43, # 14 p. 3269 - 3278

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Citation Number: 12

Abstract

The synthesis and Claisen rearrangement of methyl γ-aryloxycrotonates have been reinvestigated. A number of methyl γ-aryloxycrotonates have been prepared and sucessfully rearranged to a mixture of Z and E 3-ethylidenebenzofuran-2 (3H) ones in refluxing ethylene glycol.