Author: Chavan Sunil Degani Mariam
Publisher: Springer Publishing Company
ISSN: 1011-372X
Source: Catalysis Letters, Vol.141, Iss.11, 2011-11, pp. : 1693-1697
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Abstract
A green protocol for the synthesis of 4,6-disubstituted-3-cyano-2-pyridones from cyanoacetamides and 1,3-dicarbonyl compounds or chalcones using guanidine based ionic liquid as catalyst has been developed. In solvent-free conditions at 30 °C, [TMG][Lac] (1,1,3,3-tetramethylguanidine lactate) was found to have the highest catalytic activity among the ionic liquids including [TMG][Ac] (1,1,3,3-tetramethylguanidine acetate), [TMG][Pr] (1,1,3,3-tetramethylguanidine propionate), [TMG][
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