Seekingthepossibilityoftheformationofbenzoicacidsfrombenzylhalidesinnaturalsoil, a model oxidation reaction of
the halides was carried out in the presence of water and soil in an open air
under UV light irradiation. Addition of TiO2 to soil raised the yield of the acid,
implying such a metal oxide plays a real catalytic role in this oxidation. By
these supplementary experiments, one of the possibilities for the formation of
benzoic acids in natural soil from benzyl chlorides was supported.
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