5-({3-[(3-aminopropyl)(methyl)amino]propyl}amino)-2-methyl-1,3-benzothiazole-4,7-dione 、 5-methoxy-N-(4-methoxyphenyl)-4,7-dioxo-4,7-dihydro-1,3-benzothiazole-2-carboxamide 在
silica 、
methanol-dichloromethane 作用下,
以
乙醇 为溶剂,
反应 4.0h,
以450 mg (yield=9%) of N-(4-methoxyphenyl)-5-{[3-(methyl{3-[(2-methyl-4,7-dioxo-4,7-dihydro-1,3-benzothiazol-5-yl)amino]propyl}amino)propyl]amino}-4,7-dioxo-4,7-dihydro-1,3-benzothiazole-2-carboxamide is obtained in the form of red powder的产率得到N-(4-methoxyphenyl)-5-{[3-(methyl{3-[(2-methyl-4,7-dioxo-4,7-dihydro-1,3-benzothiazol-5-yl)amino]propyl}amino)propyl]amino}-4,7-dioxo-4,7-dihydro-1,3-benzothiazole-2-carboxamide