反应详情

The mixture containing 2-amino-4-methoxyphenol (1 eq) and O-ethylxanthic acid, potassium salt (1.1 eq) in pyridine was refluxed for two hours. The resultant mixture was poured in to ice/water containing hydrochloric acid to yield a 5-methoxybenzoxazole-2-thiol as a tan solid. MS: MH+=182

1. temperaturewas refluxed for two hours