作者:M. V. Gorelik、S. P. Titova、E. V. Gordievskaya
DOI:10.1007/s11172-006-0444-3
日期:2006.8
1-Acylamino-10-methylacridones in a polar aprotic solvent underwent base-catalyzed cyclization into the corresponding 7-methyl-7H-pyrido[2,3,4-kl]acridin-2(3H)-ones. Heating of 1-butylaminoacridone in acetic anhydride in the presence of p-toluenesulfonic acid and potassium acetate afforded 3-butyl-7H-pyrido[2,3,4-kl]acridin-2(3H)-one, while heating of 1-aminoacridone under the same conditions gave 9-acetoxy-1-acetylimino-1,10-dihydroxy-acridine.
1-Acylamino-10-methylacridones 在极性钝化溶剂中经过碱催化环化成相应的 7-甲基-7H-吡啶并[2,3,4-kl]吖啶-2(3H)-酮。在对甲苯磺酸和醋酸钾存在下,在醋酸酐中加热 1-丁氨基吖啶酮,可得到 3-丁基-7H-吡啶并[2,3,4-kl]吖啶-2(3H)-酮,而在相同条件下加热 1-氨基吖啶酮,可得到 9-乙酰氧基-1-乙酰亚氨基-1,10-二羟基吖啶。