Synthesis of N-methylmorpholinium 6-methyl-4-(2-thienyl)-5-phenylcarbamoyl-3-cyano-1,4-dihydropyridine-2-thiolate and its reaction with various functionally substituted methyl halides
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Condensation of the anilide of acetoacetic acid, thiophene aldehyde, cyanothioacetamide and N-methyl-morpholine gave N-methylmorpholinium 6-methyl-4-(2-thienyl)-5-phenylcarbamoyl-3-cyano-1,4-dihydropyridine-2-thiolate which reacted with various halides ZCH2Hal or H2NCOCH(Ph)Cl to give substituted 2-ZCH2-thio or 2-H2NCOCH(Ph)-thio-1,4-dihydropyridines.
KeywordsMethyl Organic Chemistry Aldehyde Thiophene Halide
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- 1.V. V. Kastron, R. O. Vitolinya, and G. Ya. Dubur, Khim-Farm. Zh., No. 6, 14 (1990).Google Scholar