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Molecular Pharmacology, Vol 16, 1040-1045, Copyright © 1979 by the American Society for Pharmacology and Experimental Therapeutics

A Study of the Semiconductivity of Cation Radicals of Certain Phenothiazine Derivatives

A. ORTIZ ARRUFAT 1, J. I. FERNÁNDEZ-ALONSO 1, A. PARDO 1, and J. LLABRÉS 2

1 Departamento de Química Física y Química Cuántica, Centro Coordinado CSIC[unknown]UAM, Universidad Autónma de Madrid, Cantoblanco (Madrid, 34), Spain
2 Departamento de Física Aplicada, Universidad Autónoma de Madrid, Cantoblanco (Madrid 34) Spain

This paper describes an experimental study on the electrical conductivity of cation radical samples, of phenothiazine derivatives, in solid phase. All samples studied exhibited semiconductor properties. Conductivity at room temperature varied between 10-4 and 10-9 (OHgr·cm)-1. We proved the dependence of the conductivity on the length of the R10 and R2 substituents. The relationship between the parameters defining the electric conductivity and the pharmacological activity was also shown.

Note:
ACKNOWLEDGMENTS The authors wish to thank Drs. F. Rueda and J. M. Martinez Duart (U.A.M.) for their helpful cooperation.

Submitted on October 9, 1978
Accepted on July 16, 1979






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