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Communication | Regular issue | Vol 22, No. 2, 1984, pp.223-227
Published online, 1st January, 1970
DOI: 10.3987/R-1984-02-0223
An Elegant Synthesis of 2,2-Dimethyl-2H,5H-pyrano[3,2-c][1]benzopyran-5-ones

V. K. Ahluwalia,* K. K. Arora, and Irani Mukherjee

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

Abstract

Title compounds have been synthesised by the condensation of 4-hydroxycaumarins with isoprene followed by dehydrogenation with DDQ.