OXIDATION OF SUBSTITUTED 2-METHYL BENZOIC ACIDS AND ACRYLIC ACIDS BY S2O8(2-)-Ag(I); THEIR CONVERSION TO PHTHALIDES AND BUTENOLIDES THROUGH REARRANGEMENT OF ACYLOXYL RADICALS.

DOI: 10.1016/S0040-4039(00)98435-1

Source and publish data:

Tetrahedron Letters p. 1209 - 1212 (1985)

Update date:2022-08-05

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Authors:

Bertrand, M. P.

Oumar-Mahamat, H.

Surzur, J. M.

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Article abstract of DOI:10.1016/S0040-4039(00)98435-1

Ag (I) mediated persulphate oxidation of various 2-methyl benzoic acids and acrylic acids, co-catalysed by Cu (II), leads to unsaturated γ-lactones, together with decarboxylation products.Lactonisation proceeds through 1,5 hydrogen trasfer from intermediate acyloxyl radicals.

Full text of DOI:10.1016/S0040-4039(00)98435-1

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