Abstract
The mercury-photosensitized reaction of keten has been investigated in the presence and absence of neopentane and other gases (O2, N2, and CF4). For the pure system a mechanism is suggested, based upon product analyses at low conversion. A key reaction in this mechanism is the combination of two triplet methylene species (3CH2). In the presence of neopentane, most of the products are explained by radical combination processes, some of them involving 3CH2. The observation of products derived from t-butyl radicals supports the specific case of neopentyl–3CH2 cross combination. A portion of the 2,2-dimethylbutane (neohexane) product, unaccounted for by radical reactions, is attributed to an insertion reaction by single methylene.
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Schedule a callMore From: Journal of the Chemical Society A: Inorganic, Physical, Theoretical
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