Synthesis 12-Aryl or 12-Alkyl-8,9,10,12-Tetrahydrobenzo[a]xanthen-11-One Derivatives Catalyzed by Dodecatungstophosphoric Acid

Journal of the Brazilian Chemical Society - Brazil
doi 10.1590/s0103-50532009001000025
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Chemistry
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FapUNIFESP (SciELO)