p-Toluenesulfonic acid → HCID 12803567, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 2.5 g of ethyl 5-chloro-2-hydroxyoxanilate, 200 mg of p-toluenesulfonic acid, and 100 ml of n-propanol was stirred for 2 days at 100° C. The reaction mixture was concentrated under reduced pressure and the residue was washed with ether and recrystallized from n-propanol to provide 0.9 g of n-propyl 5-chloro-2-hydroxyoxanilate.

Provenance & Evidence