Abstract

The pyrolysis of benzyl benzoate, benzyl acetate, and benzyl formate has been studied by means of ``toluene carrier gas'' technique. It has been shown that benzyl-benzoate decomposes according to the equation Ph·CH2·O·CO·Ph→Ph·CH2·+Ph·COO.The Ph·CH2–O·CO·Ph bond dissociation energies have been estimated as less than 69 kcal/mole. Decompositions of benzyl acetate and of benzyl formate are more complicated; the dissociation into radicals is accompanied by some decompositions into smaller molecules. Our data enable us to determine the relative rates of reactions, Ph·+C6H5·CH3→Ph·H+C6H5·CH2.and Ph·+C6H5·CH2·O·CO·C6H5→Ph·H4+C6H5·CH·O·CO·C6H5·.the latter reaction appears to be twice as rapid the former.

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