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Report | Regular issue | Vol 23, No. 4, 1985, pp.903-907
Published online, 1st January, 1970
DOI: 10.3987/R-1985-04-0903
An Elegant Synthesis of 6H-Benzofuro-[3,2-c][1]benzopyran-6-ones

Rishi Pal Singh* and Daljeet Singh

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


Etherification of 4-hydroxy-2H-1-benzopyran-2-ones with 2-bromocyclohexan-1-one and cyclisation with PPA followed by dehydrogenation with DDQ affords 6H-benzofuro[3,2-c][1]benzopyran-6-ones in overall good yield.