Efficient Synthesis of 12-Aryl-8,9,10,12-tetrahydrobenzo[α]-xanthen-11-ones using Ionic Liquid Pyrazinium Di(hydrogen sulfate) {Py(HSO4)2} as a Novel, Green and Homogeneous Catalyst
An efficient and simple solvent-free procedure for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[α]-xanthen-11-one derivatives via the one-pot multi-component condensation of dimedone with aromatic aldehydes and β-naphthol in the presence of protic acidic ionic liquid pyrazinium di(hydrogen sulfate) {Py(HSO4)2} as a green and homogeneous catalyst is described. All reactions proceed efficiently, and the title compounds are produced in high yields and in short reaction times.
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Main Authors: | , , , , , , , , |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedad Química de México A.C.
2012
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Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1870-249X2012000400006 |
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