Synthesis 1990; 1990(11): 993-994
DOI: 10.1055/s-1990-27072
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Reactions of 1-Aza-1,3-butadienes. A Novel Synthesis of 6-Acetyl- and 6-Methoxycarbonyl-5-methyl-2-cyclohexenones

Jon K. F. Geirsson* , Anna D. Gudmundsdottir
  • *Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavik, Iceland
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Publication History

Publication Date:
17 September 2002 (online)

The readily available N-tert-butyl-1-aza-1,3-pentadiene [N-(2- butenylidene)-2-methyl-2-propylamine] reacts with acetylacetone and methyl acetoacetate under acid-catalyzed reaction conditions to afford 6-acetyl- and 6-methoxycarbonyl-5-methyl-2-cyclohexenones, respectively, in good yield.