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Report | Regular issue | Vol 12, No. 9, 1979, pp.1203-1206
Published online, 1st January, 1970
DOI: 10.3987/R-1979-09-1203
The Reaction of 3-Hydroxycoumarins with Chalcone

V. K. Ahluwalia,* K. Bhat, and Chandra Prakash

*Department of Chemistry, University of Delhi, Delhi-110 007, India


The reaction of 3-hydroxycoumarins with chalcone in presence of pyridine-piperidine afforded 2-hydroxy-2,4-diphenyl-10-oxo-3,4-dihydropyrano (2,3-c) (1) benzopyrans. The structures have been established spectroscopically.