Elsevier

Tetrahedron Letters

Volume 55, Issue 29, 16 July 2014, Pages 3976-3978
Tetrahedron Letters

Synthesis of self-doped conducting polyaniline bearing phosphonic acid

https://doi.org/10.1016/j.tetlet.2014.04.115Get rights and content

Abstract

As a self-doped conducting polyaniline bearing phosphonic acid, poly(2-methoxyaniline-5-phosphonic acid) (PMAP) was synthesized via oxidative polymerization of 2-methoxyaniline-5-phosphonic acid. The pyridinium salt of thus-obtained PMAP was water-soluble and its film exhibited conductivity.

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Acknowledgments

We thank Dr. T. Suenobu and Prof. S. Fukuzumi at Osaka University for the ESR measurements, Dr. R. Tsuji at Osaka University for the conductivity measurements by the four-point probe method, and Dr. H. Yamamoto and Prof. T. Kozawa at Osaka University for the film thickness measurements. We also thank Comprehensive Analysis Center of the Institute of Scientific and Industrial Research, Osaka University for the ICP-MS measurements and SEM analysis.

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  • Interaction of polyaniline film with dibutyl phosphonate versus phosphite: Enhanced thermal stability

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    The substituted derivatives of phosphonic acid, when hydrogen atom is replaced with an organic substituent such as n-decyl [24], tert-butyl [40] or phenyl [41], have been successfully used for the protonation of polyaniline. Self-protonated poly(2-methoxyaniline-5-phosphonic acid) was also synthesized [42–44]. The phosphites are diesters of phosphorous acid (H3PO3) [45].

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