Phenyl thiazyl compounds: synthesis and electrical conductivity

Ramakrishnan, S. ; Chien, James C. W. (1987) Phenyl thiazyl compounds: synthesis and electrical conductivity Journal of Polymer Science Part A: Polymer Chemistry, 25 (5). pp. 1433-1443. ISSN 0887-624X

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A series of substituted phenylene-dithio-bis(phenyldithiazyl) (PDBPD) and phenylthiophenyldithiazyl (PTPD) compounds have been synthesized utilizing the facile reaction between N-trimethyl silylimides and aromatic sulfenyl chlorides. The compounds are insulators with conductivities of 10-8-10-12 (Ω cm)-1. However, they can be oxidized with Br2 to conductivities of 10-3-10-5 (Ω cm)-1 for pressed pellets. Electron donating and withdrawing substituents on the phenyl ring markedly alter the electrical transport properties. While PTPD compounds are soluble in many solvents, the PDBPD derivatives are only sparingly soluble.

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