New fluorescent heterocyclic materials : synthesis, solvatochrornic and fluores...

• Author(s): Costa, Susana P. G. ; Batista, Rosa M. F. ; Sousa, Ana M. R. C. ; Raposo, M. Manuela M.
• Date: 2006
• Persistent ID: http://hdl.handle.net/1822/7837
• Origin: RepositóriUM - Universidade do Minho
• Subject(s): Arylthiophenes; Bithiophenes; 2-(2 ',2 ''-bithienyl)-1,3-benzothiazoles; 2-(thienylaryl)1,3-benzothiazoles; UV-visible spectroscopy; Chromophores; Fluorescence; Solvatochromism; Non-linear optical (NLO) applications
• Document Type: Article
• Language: English

Description

Thienyl- and bithienyl-1,3-benzothiazoles 1 and 2 were synthesised by reacting various formyl thienyl and bithienyl derivatives with o-aminobenzenethiol in moderate to excellent yields. Evaluation of the solvatochromic and fluorescence properties of these compounds was carried out. Due to their strong fluorescence and also the strong push-pull character, benzothiazole derivatives 1 and 2 can be used as potential NLO materials or as fluorescent markers.