Oxidation of substituted 2-methyl benzoic acids and acrylic acids by S208 - ag(i); their conversion to phthalides and butenolides through rearrangement of acyloxyl radicals.
作者:M.P. Bertrand、H. Oumar-Mahamat、J.M. Surzur
DOI:10.1016/s0040-4039(00)98435-1
日期:1985.1
Ag (I) mediated persulphate oxidation of various 2-methyl benzoic acids and acrylic acids, co-catalyzed by Cu (II), leads to unsaturated γ-lactones, together with decarboxylation products. Lactonisation proceeds through 1,5 hydrogen transfer from intermediate acyloxyl radicals.