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Expeditious photochemical reaction towards the preparation of substituted chroman-4-ones
(Elsevier, 2014-06)
A facile photochemical preparation of 5-, 6- and 7-substituted chroman-4-ones from aryl 3-methyl-2-butenoate esters is described. The two-phase base-catalyzed method relies upon two consecutive processes in one-pot reaction ...