A mixture of ethyl acetoacetate and various aldehydes in the presence of ammonium salts was converted to Hantzsch ethyl 1,4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylates under mild and green conditions with good to excellent yields.
Chemistry Department, College of Science, Bu-Ali Sina University, Hamadan, 65174, Iran.
Publication date: February 1, 2006
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