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Synthesis 1986; 1986(2): 136
DOI: 10.1055/s-1986-31498
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A Convenient, One-Step Synthesis of Methyl 2,4-Dimethyl-5-oxo-5H-[1]benzopyrano[3,4-c]pyridine-1-carboxylates

C. N. O'Callaghan*
  • *Medical Research Council of Ireland Laboratories, Chemistry Building, Trinity College, Dublin 2, Ireland
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Publikationsdatum:
20. August 2002 (online)

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The reaction of o-hydroxybenzaldehydes with methyl 3-aminocrotonate in acetic acid at room temperature yields methyl 2,4-dimethyl-5-oxo-5H-[1]benzopyrano[3, 4-c]pyridine-1-carboxylates, in 22-42% yield.