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Synthesis 2018; 50(02): 303-313
DOI: 10.1055/s-0036-1588581
DOI: 10.1055/s-0036-1588581
paper
Small Molecules as Long-Wavelength Fluorophores: Push-Pull Substituted 4-Alkoxy-1,3-thiazoles
Further Information
Publication History
Received: 12 July 2017
Accepted after revision: 07 September 2017
Publication Date:
26 September 2017 (online)
Dedicated to Professor Waldemar Adam on the occasion of his 80th birthday
Abstract
A series of donor-π-acceptor (D-π-A) substituted 4-hydroxythiazoles have been synthesized. Electron-donating groups (4-methoxyphenyl and 4-dimethylaminophenyl) were installed in the 5-position of the thiazole; thiophene/pyridine-bridged acceptors (formyl groups and their Knoevenagel condensation products) were placed in the 2-position. The influence of D-π-A character on the photophysical properties and electronic structure was investigated by means of UV/Vis and fluorescence spectroscopy.
Key words
thiazole - thiophene - pyridine - fluorophores - Knoevenagel reaction - push-pull substitutionSupporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/s-0036-1588581.
- Supporting Information
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