Water → 2-[3-(2,6-Dichlorophenyl)sulfonyl-2,5-dimethylindol-1-yl]acetic acid

Participants

Reaction Steps

3-Chlorobenzenecarboperoxoic acid (0.34 g) was added to a solution of the product from example 24 step a) (0.18 g) in acetonitrile (5 ml) and water (0.5 ml). The reaction was stirred for 1 h, 1M aqueous sodium thiosulphate (2 ml) added and stirred for a further 15 min. The mixture was filtered, purified by reverse phase HPLC and evaporated in vacuo to yield the title compound as a white solid (40 mg).

Provenance & Evidence