Condensation of Ketones with Acylpyridinium Salts1

WE Doering, WE McEwen

Index: Doering; McEwen Journal of the American Chemical Society, 1951 , vol. 73, p. 2104,2108

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Citation Number: 44

Abstract

Claisen's product, C20HllN02, of the reaction of pyridine, benzoyl chloride and acetophenone has been shown to be 1-benzoyl-4-phenacyl-1, 4-dihydropyridine. The product from pyridine, acetic anhydride and acenaphthenone does not have the structure assigned to it by E. Ghigi but rather is 1-acetoxy-2-(l'-acetyl-l', 4'-dihydro-4'-pyridyl)- acenaphthylene. These interesting reactions of acylpyridinium salts at the-pposition of ...