FeCl3-catalyzed regioselective ring-opening of aryl oxirane with 4-hydroxycoumarin for the synthesis of furo[3,2-c]coumarins
Simra Faraz,
Ahmad Ali,
Abu Taleb Khan
Abstract:The regioselective ring-opening of aryl oxiranes was investigated with various 4-hydroxycoumarins in dimethyl sulfoxide in the presence of 20 mol% FeCl3 as a catalyst at 110 °C.
The synthesis of substituted tetrahydro coumestan (3-8) derivatives is accomplished from 4-hydroxycoumarins (1a-f) and cyclohexanone derivatives (2a-n) using 20 mol% FeCl3•6H2O catalysts in DMSO solvent on heating at 110 oC....
The synthesis of substituted tetrahydro coumestan (3-8) derivatives is accomplished from 4-hydroxycoumarins (1a-f) and cyclohexanone derivatives (2a-n) using 20 mol% FeCl3•6H2O catalysts in DMSO solvent on heating at 110 oC....
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