The reaction of O(23P) atoms with 1,1-difluoro-olefins
Abstract
The occurrence of the elementary reaction O(23P)+ C2F4→ CF2O + CF2 has been verified through flash photolysis of NO2–C2F4 mixtures. A new class of reaction of the type O(23P)+ CF2= CXY [graphic omitted] has been discovered; when X, Y = halogen, the biradical intermediate leading to step (b) is formed preferentially. The transient production of the halogenocarbene CXY has been inferred from the results of photolysis in the presence of oxygen.
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