p-Toluenesulfonic acid monohydrate → HCID 136335905, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 3-amino-4-chlorophenol (0.36 g), 3-(4-methanesulfonylbenzyl)pentane-2,4-dione (0.5 g) and p-toluenesulfonic acid monohydrate (0.05 g) was heated at 160° C. for 2.5 hours. The mixture was cooled to room temperature and purified by column chromatography on silica gel, eluting with a mixture of dichloromethane and ethyl acetate (50:1 to 2:1 by volume) to afford title compound (7:10 mixture of keto-enol tautomers) as a beige solid, 0.32 g.

Provenance & Evidence