A. Modi, Prasenjit Sau, B. Patel
Nov 1, 2017
Citations
0
Influential Citations
15
Citations
Journal
Organic letters
Abstract
A base-promoted synthesis of quinoline-4(1H)-thiones has been accomplished from the in situ generated o-alkynylthiourea, obtained by reacting o-alkynylanilines with aroyl/acyl isothiocyanates. A 6-exo-dig S-cyclization of the in situ generated thiourea is followed by a rearrangement to give quinoline-4(1H)-thiones.