Reaction of heteroaromatic o-aminothioaldehydes with alkynes: a novel entry to b-fused pyridines
作者:Alessandro Degl'Innocenti、Maria Funicello、Patrizia Scafato、Piero Spagnolo
DOI:10.1016/s0040-4039(97)00274-8
日期:1997.3
o-Aminothioaldehydes derived from benzo[b]furan, benzo[b]thiophene, indole and furan rings smoothly react with mono- and disubstituted electron deficient alkynes to give b-fused dihydropyridines which can be converted to corresponding pyridines upon heating under vacuum. (C) 1997 Published by Elsevier Science Ltd.