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Reactions of Substituted Furan-2-carboxaldehydes and Furo[b]pyrrole Type Aldehydes with Benzothiazolium Salts

Author(s): Zita Puterová | Alžbeta Krutošíková | Antonín Lyčka | Tatiana Ďurčeková

Journal: Molecules ISSN 1420-3049
Volume: 9; Issue: 4; Start page: 241; Date: 2004;
Original page

Keywords: 5-Arylfuran-2-carboxaldehydes | 2-formylfuro[3 | 2-b]pyrrole-5-carboxylates | 2-formylfuro[2 | 3-b]pyrrole-5-carboxylate | benzothiazolium salts | 1H- and 13C-NMR spectra.

ABSTRACT
A series of new push-pull compounds were synthesised by reaction of 5-aryl- furan-2-carboxaldehydes and furo[b]pyrrole type aldehydes with benzothiazolium salts. These new condensation products represent highly conjugated systems that have potential biological activity. The reaction of furo[b]pyrrole type aldehydes with benzothiazolium salts give potential precursors of cyanine dyes.