Publication
Journal of Organic Chemistry
Paper

Free-Radical Chemistry of Cyclic Ethers. VII. Ultraviolet Photolysis of Expoxides and Propylene Sulfide in the Liquid Phase

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Abstract

Ultraviolet light has been found to cause carbon-oxygen bond cleavage in epoxides and carbon-sulfur bond cleavage in a thioepoxide. Studies with unsymmetrical epoxides indicated that both carbon-oxygen bonds cleave and that the intermediate diradicals are converted, by subsequent radical reactions which involve no rearrangements, into alcohols and aldehydes or ketones. For example, the irradiation of propylene oxide gave acetone, isopropyl alcohol, propionaldehyde, and propyl alcohol, though not in equal amounts. A reaction sequence is suggested which is applicable to the irradiation of epoxides and the thioepoxide. © 1964, American Chemical Society. All rights reserved.

Date

01 May 2002

Publication

Journal of Organic Chemistry

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