Tetrahedron Letters p. 5331 - 5334 (1986)
Update date:2022-08-11
Topics:
Wilczak, Wojciech A.
Schuster, David I.
3,5-Cycloheptadienones undergo electron transfer to photoexcited DCA in oxygen-free CH3CN solution to give triplet products which arise via back electron transfer form initially formed radical ion pairs.Photooxygenation of 2,2,7,7-tetramethyl-3,5-cycloheptadienone (1) and the derived methyl ether (4) under electron-transfer conditions results in unusual hydroperoxidederived products.The related alcohol (3)gives a product strongly suggestive of intramolecular capture by an OH group of a diene radical cation.
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