Silica iodide catalyzed, ultrasound-promoted, one-pot four-component synthesis of novel 1,4,5,6-tetrahydropyridine-3-carboxylate derivatives
2017
Silica iodide catalyzed, competent synthesis of 15 novel substituted-1,4,5,6-tetrahydropyridine-3-carboxylate derivatives was achieved by a one-pot four-component cyclocondensation of Meldrum's acid, aryl aldehydes, aromatic amines and ethyl acetoacetate under ultrasonic irradiation. In comparison to the conventional methods, our protocol is convenient, eco-friendly and offers several benefits such as: mild conditions, high yields, shorter reaction time and ease in product isolation. A¯Â?½ 2017 Taylor & Francis Group, LLC.
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