Synthesis and chemosensing properties of cinnoline-containing poly(arylene ethynylene)s

Synthesis and chemosensing properties of cinnoline-containing poly(arylene ethynylene)s

Novel poly(arylene ethynylene)s comprising a cinnoline core were prepared in high yields via a three-step methodology. A Richter-type cyclization of 2-ethynyl- and 2-(buta-1,3-diynyl)aryltriazenes was used for cinnoline ring formation, followed by a Sonogashira coupling for the introduction of trime...

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Bibliographic Details
Main Authors: Natalia A. Danilkina, Petr S. Vlasov, Semen M. Vodianik, Andrey A. Kruchinin, Yuri G. Vlasov, Irina A. Balova
Format: Article
Language:English
Published: Beilstein-Institut 2015-03-01
Series:Beilstein Journal of Organic Chemistry
Subjects:
cinnolines
fluorescence quenching
Pd2+ detection
poly(arylene ethynylene)s
Sonogashira coupling
Online Access:https://doi.org/10.3762/bjoc.11.43
Description
Summary:Novel poly(arylene ethynylene)s comprising a cinnoline core were prepared in high yields via a three-step methodology. A Richter-type cyclization of 2-ethynyl- and 2-(buta-1,3-diynyl)aryltriazenes was used for cinnoline ring formation, followed by a Sonogashira coupling for the introduction of trimethylsilylethynyl moieties and a sila-Sonogashira coupling as the polycondensation technique. The fluorescence of the cinnoline-containing polymers in THF was highly sensitive to quenching by Pd2+ ions.
ISSN:1860-5397

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