Diethylamine-catalyzed environmentally benign synthesis of 1-oxo-hexahydroxanthenes and bis-coumarins at ambient temperature

TitleDiethylamine-catalyzed environmentally benign synthesis of 1-oxo-hexahydroxanthenes and bis-coumarins at ambient temperature
Publication TypeJournal Article
Year of Publication2016
AuthorsKupwade, RV, Pandit, KS, Desai, UV, Kulkarni, MA, Wadgaonkar, PP
JournalResearch on Chemical Intermediates
Volume42
Issue7
Pagination6313-6325
Date PublishedJUL
AbstractAn extremely simple, economical and environmentally benign protocol has been described for one-pot synthesis of 1-oxo-hexahydroxanthenes by pseudo three-component condensation between salicylaldehydes and dimedone, cyclohexane-1,3dione or 5-methyl cyclohexane-1,3-dione using diethylamine as the catalyst. Based upon the mechanism of the reaction, the protocol has been extended towards the synthesis of tetraketones and bis-coumarins.
DOI10.1007/s11164-016-2464-4
Type of Journal (Indian or Foreign)Foreign
Impact Factor (IF)1.833
Divison category: 
Polymer Science & Engineering

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