Abstract: | The multicomponent condensation of malononitrile, hydrogen sulfide, aryl orhetaryl aldehydes, 1,3-dicarbonyl compounds and alkylating reagents affordedfunctionalized nitriles and esters of 6-alkylsulfanyl-1,4-dihydronicotinicacids, their aromatic analogues and 1,4-dihydrothieno[2,3-b]pyridines. |