One-pot synthesis of chromenylfurandicarboxylates and cyclopenta [b] chromenedicarboxylates involving zwitterionic intermediates. A DFT investigation on the …

MA Terzidis, J Stephanidou-Stephanatou…

Index: Sabitha, Gowravaram; Satheesh Babu; Yadav Synthetic Communications, 1998 , vol. 28, # 24 p. 4571 - 4576

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Citation Number: 31

Abstract

... Volume: Page: Digital Object Identifier (DOI). ... The 6-methyl- and the 6-isopropyl-substituted chromones 1b and 1c reacted analogously, and the corresponding chromenylfurandicar boxylates 4b and 4c were isolated in 28% and 45% yield, respectively. ...