Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2009 m. Nr. 2 A comparative study of microwave-assisted and conventional synthesis of novel 2-(4-diethylamino-2-hydroxyphenyl)-3-substituted-thiazolidin-4-one derivatives
We report efficient and extremely fast procedures for the synthesis of 2-(4-diethylamino-2- hydroxy-phenyl)-3-substituted-thiazolidin-4-one using 4-diethylamino-2-hydroxybenzaldehyde, various amines and mercaptoacetic acid under microwave irradiation (μw), and similarly conventional methods are used for comparison. A considerable increase in the reaction rate has been observed with a better yield in microwave technique. The structures of the compounds were confirmed by elemental and spectral analyses (1H-NMR, 13CNMR & Mass). Keywords: 4-diethylamino-2-hydroxybenzaldehyde, thiazolidin-4-one, microwave method |
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