Photoinduced reactions—LVIII
作者： I. Saito , N. Yoshimura , T. Arai , K. Omura , A. Nishinaga
DOI: 10.1016/S0040-4020(01)88932-8
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摘要: Abstract The photosensitized oxygenation of 4,6-di-t-butylresorcinol (1) and its methyl ethers 8 10 in methanol have been examined. Resorcinol affords ketoester 2 lactone 3. Photosensitized monoethyl ether dimethyl gives hydroperoxide 9 epoxy-ketone 11, respectively; participation singlet oxygen these reactions is demonstrated. A mechanism involving 1,4-cycloaddition to the aromatic nucleus proposed for formation but a phenoxy radical intermediate 14
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