1-(bromoalkyl)-5-bromo-6-bromomethyl-3-methyl-2,4(1H,3H)-pyrimidinedione (1) with several nucleophiles were examined as follows: by reaction with sodium methoxide, 6-(bismethoxy)methyl-5-debrominated derivatives 2, 3, and 4 were prepared; the corresponding di-substituted compounds (side chains in 1-and 6-positions) 5, 6, 7, and 9 were obtained by treatment with silver nitrate, silver acetate, potassium thiocyanate
1-(
溴代烷基)-5-
溴代-6-
溴代甲基-3-甲基-2,4(1 H,3 H)-
嘧啶二酮(1)与几种亲核试剂的反应如下:通过与
甲醇钠反应,制备了6-(双甲氧基)甲基-5-脱
溴的衍
生物2、3和4。通过用
硝酸银,
乙酸银,
硫氰酸钾和
硫代乙酸钾处理得到相应的二取代化合物(1和6位侧链)5、6、7和9。与
硫代乙酰胺和
异丁胺反应制得
双环化合物[1,4]
噻嗪基[4,3-c] -11,
吡嗪并[1,2- c ]-分别为12和[1,4]二氮杂[1,2- c ]
嘧啶二酮13;
吡咯烷,吗啉和
叠氮化
钠提供相应的6-取代的化合物14、15和16。