Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2011 Vol: 3 Issue: 5

Phenylboronic acid-Catalyzed Synthesis of 9,9-Dimethyl-12-phenyl-9,10- dihydro-8H-benzo[a] xanthen-11(12H)-one Derivatives


A simple and efficient method has been described for the synthesis of 9,9-Dimethyl-12-phenyl- 9,10-dihydro-8H-benzo [a] xanthen-11(12H)-one derivatives from aromatic aldehydes, β- naphthol and 5,5-dimethylcyclohexane-1,3-dione using a mild phenylboronic acid as a catalyst in good yields.