Extension of the Modified Stobbe Condensation. Acid-Catalyzed Decomposition of the Products and a Lacto—Enoic Tautomerism1

…, JW Petersen, WP Schneider

Index: Johnson; Petersen; Schneider Journal of the American Chemical Society, 1947 , vol. 69, p. 74,77

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Citation Number: 23

Abstract

lier paper'IV was prepared by the action of an alcoholic solution of anhydrous potassium acetate on the dibromide. Two other methods of preparation are herein described. Method A is particularly significant since a, 8-dibromo ketones are not generally pyrolyzed to give a- bromo un-saturated ketones as the chief product. By the Plyrolysis of the Dibromide.-Five grams of o-chlorobenzalacetophcnone dibro: iiide was heated for one and one-half hour.; ...