Reaction of indoles with molecular oxygen catalyzed by metalloporphyrins
Cobalt(II), cobalt(III), and manganese(III) meso-tetraphenylporphins catalyse the oxygenation of simple alkyl-substituted indoles, the latter complex being the most active catalyst. Spectroscopic data (uv, n.m.r., e.s.r.) indicate that during the reaction catalysed by CoTPP, a ternary complex: O2CoTPPindole is formed initially. This complex is converted into indolenyl hydroperoxide, which decomposes to the final product under the influence of CoTPP. © 1980.
Dufour, MN; Crumbliss, AL; Johnston, G; Gaudemer, A
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