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Report | Regular issue | Vol 22, No. 5, 1984, pp.1077-1089
Published online, 1st January, 1970
DOI: 10.3987/R-1984-05-1077
Photolysis of Bromothiazoles in Hydrogen-donating Solvents. A Theoreticals Study and Physical Properties of Bromothiazoles

Cyril Párkányi,* Gaston Verrin, Rose-Marie Zamkostian, and Jacques Metzger

*Department of Chemistry, The University of Texas at El Paso, El Paso, Texaz 79968-0513, U.S.A.

Abstract

UV irradiation of bromothiazoles in various organic solvents (methanol, ether, cyclohexane) produces thiazole and the isomeric isothiazole as the main reaction products. The reactivity of monobromothiazoles in this reaction decreases in the order: 2-bromothiazole > 5-bromothiazole >> 4-bromothiazole. The PPP (LCI-SCF-MO) calculations of bromothiazoles were used to interpret and discuss their various properties. The uv, NMR, and mass spectra of bromothiazoles were measured.