反应详情

3-Carboxy-7-methylsulfonylamino-6-phenoxy-4H-1-benzopyran-4-one was reacted with 5-aminotetrazole in the presence of dicyclohexylcarbodiimide to obtain 7-methylsulfonylamino-6-phenoxy-3-(1,2,3,4-tetrazol-5-yl-aminocarbonyl)-4H-1-benzopyran-4-one.