Synthesis of 6-methyl-5-phenylcarbamoyl-3,4-dihydropyridinespiro-4-cyclohexane-2(1H)-thione and its derivatives

Article abstract of DOI:10.1007/BF02320335

3-Cyano-6-methyl-5-phenylcarbamoyl-3,4-dihydropyridinespiro-4-cydohexane - 2(1H)-thione was obtained by the condensation of acetoacetic acid anilide with cyclohexylidenecyanothioacetamide. Substituted 2-alkylthio-1,4-dihydropyridines and 3-amino-2-(4-chlo