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The Effect of Ultrasound on Diphenyl Ether Photochemistry

A. Gáplovský, J. Donovalová, Š. Toma, B. Jakubíková, and R. Mračnová

Institute of Chemistry, Faculty of Natural Sciences, Comenius University, SK-842 15 Bratislava

 

E-mail: gaplovsky@fns.uniba.sk

Received: 8 March 2002

Abstract: Simultaneous sonication and UV irradiation of diphenyl ether in methanol decreases the rearrangement of diphenyl ether as well as the rate of 4-hydroxybiphenyl formation. Ultrasound did not change the rate of 2-hydroxybiphenyl formation, but enhanced the rate of phenol formation, especially in experiments performed at higher concentrations of diphenyl ether. A new insight into the mechanism of the photochemical rearrangements of diphenyl ether is suggested.

Full paper in Portable Document Format: 574a250.pdf

 

Chemical Papers 57 (4) 250–254 (2003)

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