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Synthesis 1988; 1988(3): 248-250
DOI: 10.1055/s-1988-27533
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Reformatsky Reaction on Aroylketene S,N-Acetals: A Facile Route to 4-Amino-6-aryl-2H-pyran-2-ones

A. Datta* , H. Ila, H. Junjappa
  • *Department of Chemistry, North-Eastern Hill University, Bijni Complex, Bhagyakul, Shillong 793003, India
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Publication Date:
20 August 2002 (online)

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The aroylketene S,N-acetals 1a-j are shown to undergo regioselective conjugate 1,4-addition with Reformatsky reagent derived from ethyl bromoacetate, followed by cyclization to give novel 4-amino-6-aryl-2H-pyran-2-ones 3a-j in good yields.

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