The Preparation of Thieno[2,3-b]pyridines from 3-Cyanopyridine-2(1H)-thione.

David Bremner (a), Alan Dunn (b), Kenneth Wilson (a), Keith Sturrock (a) and Grant Wishart.

(a)School of Molecular and Life Sciences, University of Abertay Dundee, Bell Street, DUNDEE, Scotland, DD1 1HG.
(b)Beilstein-Institut, Carl-Bosch-Haus, Varrentrappstrasse 40-42, D-6000 Frankfurt/Main 90, Germany.

Abstract
A series of Thieno[2,3-b]pyridines have been prepared by reacting 3-cyanopyridine-2(1H)-thione 3 with activated haloalkanes in the presence of base.