Competing processes in condensation of 3,3-bis(methylthio)-2-cyano-N-arylacrylamides with cyanoacetanilides
摘要:
Reaction of cyanoacetanilides with 3,3-bis(methylthio)-2-cyano-N-arylacrylamides proceeds to form isomeric N,1-diaryl-1,6-dihydropyridine-3-carboxamides. A single crystal consisting of 2-amino-4-methylthio-N-(2-methoxyphenyl)-6-oxo-1-phenyl-5-cyano-1,6-dihydropyridine-3-carboxamide and 2-amino-4-methylthio-1-(2-methoxyphenyl)-6-oxo-N-phenyl-5-cyano-1,6-dihydropyridine-3-carboxamide was studied by XRD.