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Molecules 2004, 9(4), 241-255; doi:10.3390/90400241
Article

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

1, 1,* , 2 and 1
1 Department of Chemistry, Faculty of Natural Sciences, University of St. Cyril and Methodius in Trnava, SK-917 01 Trnava, Slovak Republic 2 Research Institute for Organic Syntheses, Rybitvi 296, CZ-532 18 Pardubice 20, Czech Republic
* Author to whom correspondence should be addressed.
Received: 18 February 2004 / Accepted: 23 March 2004 / Published: 31 March 2004
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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.
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. 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.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Puterová, Z.; Krutošíková, A.; Lyčka, A.; Ďurčeková, T. Reactions of Substituted Furan-2-carboxaldehydes and Furo[b]pyrrole Type Aldehydes with Benzothiazolium Salts. Molecules 2004, 9, 241-255.

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