Fig. 5 | Nature Communications

Fig. 5

From: Green oxidation of indoles using halide catalysis

Fig. 5

Oxone-Halide oxidation of indoles to 2-oxindoles. a Substrate scope for oxone-KBr oxidation of C3-substituted indoles to 2-oxindoles. b Total syntheses of (±)-desoxyeseroline, (±)-physovenol methyl ether and (±)-esermethole. c Controlled experiments for possible mechanism for the oxone-KBr oxidation of C3 substituted indoles to 2-oxindoles. TBAHS Tetrabutylammonium hydrogen sulfate

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