Synthesis of 3-amino-6-methyl-5-ethoxycarbonyl-4,7-dihydrothieno[2,3-b]pyridine derivatives
作者:A. A. Krauze、�. �. Liepin'sh、Yu. �. Pelcher、G. Ya. Dubur
DOI:10.1007/bf00475486
日期:1987.1
Synthesis of 6′-carbamoylmethylthio-5′-cyano-1′,4′-dihydro-3,4′-bipyridine-3′-carboxylic and 6′-carbamoylmethylthio-5′-cyano-1′,4′-dihydro-4,4′-bipyridine-3′-carboxylic esters and investigation of their stability. 2. Esters of 6′-carbamoylmethyl-thio-5′-cyano-1′,4′-dihydro-4,4′-bipyridine-3-carboxylic acids