A General Synthesis of 2-Methoxy-2-Cyclohexenones

Ernest Wenkert Department of Chemistry, Indiana University, Bloomington, Indiana, 47401

N. F. Golob Department of Chemistry, Indiana University, Bloomington, Indiana, 47401

S. S. Sathe Department of Chemistry, Indiana University, Bloomington, Indiana, 47401

R. A. J. Smith Department of Chemistry, Indiana University, Bloomington, Indiana, 47401

Abstract

The preparation of octalinone 1 at an early stage of a recent synthesis of valeranone¹ required the use of a Robinson annelation with 1,4-dimethoxy-2-butanone (2a), a methoxymethyl vinyl ketone (3) equivalent. The following syntheses of 2-methoxy-2-cyclohexenones illustrate further examples of the heretofore unexploited reaction.²

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A General Synthesis of 2-Methoxy-2-Cyclohexenones

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A General Synthesis of 2-Methoxy-2-Cyclohexenones

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