Chemistry of singlet oxygen. 41 Direct observation of a dioxetane from the singlet oxygen photooxygenation of a thioketene acetal
GG Geller, CS Foote, DB Pechman
Index: Geller, George G.; Foote, Christopher S.; Pechman, David B. Tetrahedron Letters, 1983 , vol. 24, # 7 p. 673 - 676
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Citation Number: 27
Abstract
In all of these studies the intermediacy of the dioxetane has been inferred from secondary products presumably obtained from dioxetane decomposition, but in no case has a sulfur- substituted dioxetane been observed directly. Here we report the first direct spectroscopic observation of a dioxetane obtained from the photooxygenation of a thioketene acetal. Dioxetane II was obtained by tetraphenylporphine sensitized photooxygenation of 2- ...
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