Catalysis Letters, Vol.144, No.1, 81-86, 2014
Visible Light Promoted Hydrochlorination of Olefin Over Pt, Au and Pd Supported on Zirconia
The Pt, Au and Pd catalysts supported on zirconia were prepared by the colloid deposition method. The catalytic activities of the catalysts for the hydrochlorination of 4-phenyl-1-butene were investigated under the irradiation of visible light, taking hydrochloric acid as the sources of chloride and hydrogen. The catalysts exhibited superior activities under the irradiation, giving rise to 4-phenylbutyl chloride and 4-phenyl-2-butenol, but they were almost inactive without the irradiation. Ethanol was unfavorable to the reaction. In addition to 4-phenylbutyl chloride, 2,3-dimethylstyrene was the by-product on the Pt and Au catalysts, and the isomerization from 4-phenyl-1-butene to benzene-1-butenyl occurred on the Pd/ZrO2 catalyst in ethanol solution.