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- W2028621842 abstract "The photochemical sulphoxidation of n-hexane in the presence of acetic anhydride giving hexanesulphonic acid has been examined. A maximum yield of 26% is obtained when the sulphoxidation is carried out with a molar ratio of n-hexane:acetic anhydride of 19:1. An increase in the reaction temperature of 28° serves to increase the yield, and for n-decane the limit is reached at about 80°. The reaction is sensitized with acetophenone or p-chloroacetophenone, while it is inhibited by 2,3-dimethylbutane or 1-hexene. Mechanisms involving simultaneous steps of chain reaction via persulphonate radical and a molecular mechanism via excited sulphur trioxide are discussed. The photochemical primary process in the radical chain seems to involve two simultaneous processes, i.e., the energy transfer from excited sulphur dioxide to substrate followed by the homolytic CH bond fission on one hand, and the formation of alkyl radicals by the abstraction of hydrogen with excited sulphur dioxide on the other." @default.
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- W2028621842 date "1965-01-01" @default.
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- W2028621842 title "The photochemical sulphoxidation of n-hexane" @default.
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- W2028621842 doi "https://doi.org/10.1016/s0040-4020(01)98295-x" @default.
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