Cascade synthesis of new tetracyclic heteroaromatic thieno[2,3-b]pyridine-containing ring systems
作者:R. Alan Aitken、Alasdair N. Garnett
DOI:10.1039/b9nj00528e
日期:——
appropriate stabilised ylides, prepared in a few steps from 2-(methylthio)nicotinic acid, give products containing previously unknown naphtho-, phenanthro-, benzothieno- and benzofuro-fused thieno[2,3-b]pyridine ring systems.
快速真空热解适当的稳定化的碘化物,可通过以下步骤制备 2-(甲硫基)烟酸,提供含有以前未知的萘,菲,苯并噻吩并和苯并呋喃稠合的产品 噻吩并[2,3- b ]吡啶 环系统。