KHSO4 catalysed Pechmann condensation under solvent-free conditions
J Qian, J Suo
Index: Qian, Jinhua; Suo, Jishuan Journal of Chemical Research, 2005 , # 8 p. 486 - 487
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Abstract
Coumarins attract interest because of their diverse biological activity.1 They find their application as pharmaceuticals, fragrances, agrochemicals, and insecticides.2 A valuable method for the synthesis of coumarins is the Pechmann reaction, of phenols. Using concentrated sulfuric acid
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