The non-photolytic method for generation of arylnitroso oxides based on the reduction of
nitrosobenzene by triphenylphosphine was used to study the products of the reaction of transphenylnitroso
oxide with trans-stilbene. N,α-Diphenylnitrone and benzaldehyde were found to be the
main stable products of the reaction, the first stage of which was [3+2]-cycloaddition to form the metastable
1,2,3-dioxazolidine intermediate. The obtained products were in agreement with our previous
Keywords: Phenylnitroso oxide, [3+2]-cycloadditon to stilbene, N, α-Diphenylnitrone formation, photolytic, reduction, styrene.
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