111853-36-2Relevant academic research and scientific papers
SYNTHESIS OF 3-AMINO-6-METHYL-5-ETHOXYCARBONYL-4,7-DIHYDROTHIENOPYRIDINE DERIVATIVES
Krauze, A. A.,Liepin'sh, E. E.,Pelcher, Yu. E.,Dubur,G. Ya.
, p. 102 - 106 (2007/10/02)
The alkylation of piperidinium salts of substituted 1,4-dihydropyridine-2-thiols with chloroacetonitrile or iodoacetamide gave 2-cyanomethylthio- and 2-carbamoylmethylthio-substituted 6-methyl-4-aryl(pyridyl)-5-ethoxycarbonyl-3-cyano-1,4-dihydropyridines, which undergo intramolecular cyclization in basic media to give 3-amino-6-methyl-4-aryl(pyridyl)-5-ethoxycarbonyl-2-cyano(carbamoyl)-4,7-dihydrothienopyridines.
