Cyclization of ethyl acetoacetate and substituted salicylaldehydes in the presence of ammonium acetate
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 20,p. 2025-2028
- https://doi.org/10.1039/p19750002025
Abstract
3-Methoxy- and 3,5-dibromo-salicylaldehydes condense with ethyl acetoacetate in the presence of ammonium acetate to give in each case a 1,2,5,6-tetrahydropyridine as the main product, together with a [1]benzopyrano[3,4-c]pyridin-5-one.Keywords
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