Reaction of N-benzoyl amino acids with oxalyl chloride: a facile route to 4-substituted 2-phenyloxazole-5-carboxylates
作者:Tadeusz Cynkowski、Grazyna Cynkowska、Paul Ashton、Peter A. Crooks
DOI:10.1039/c39950002335
日期:——
N-benzoyl amino acids 1a–g react with excess oxalyl chloride at room temperature followed by addition of alcohols to afford 4-substituted 2-phenyloxazole-5-carboxylates 3a–g.
N-苯甲酰氨基酸1a–g在室温下与过量的草酰氯反应,随后加入醇,得到4-取代的2-苯并噁唑-5-羧酸酯3a–g。