On the Synthesis of Some 2-Arylhydrazono-3-oxothieno[2,3-b]pyridines by Reaction of Nitrilimines with 2-Mercaptonicotinic Acid
作者:Jalal A. Zahra、Bassam Abu Thaher、Mustafa M. El-Abadelah、Hans-Hartwig Otto
DOI:10.1007/s00706-004-0227-1
日期:2005.4
Nitrilimines prepared from N-arylhydrazono chlorides reacted with 2-mercaptonicotinic acid yielding the corresponding addition products, 2-[(2-oxo-1-arylhydrazonopropan-1-yl)mercapto] nicotinic acids, which were treated with 1,1'-carbonyldiimidazole in THF affording by cyclocondensation the corresponding hitherto unknown 2-arylhydrazono-3-oxothieno[2,3-b]pyridines.