Pyrimidine derivatives XII. A convenient preparation of 6-formylpyrimidinedione and 2- and 3-formylpyridine derivatives from corresponding nitrooxymethyl derivatives
作者:Toshio Kinoshita、Hiroshi Ohishi
DOI:10.1002/jhet.5570310654
日期:1994.11
The convenient preparation of 6-fomylpyrimidinedione derivatives and 2- and 3-formylpyridine are described. Thus, 5-bromo-1,3-dimethyl- (1a), 5-bromo-3-methyl-1-(2-nitrooxyethyl)- (1b), and 5-bromo-3-methyl-1-(3-nitrooxypropyl)-2,4(1H,3H)-pyrimidine-dione (1c) were converted to the corresponding 6-formyl compounds 2a, 2b, and 2c, respectively, in excellent yields by the reaction with triethylamine
描述了方便的6-嘧啶基嘧啶二酮衍生物和2-和3-甲酰基吡啶的制备。因此,5-溴-1,3-二甲基-(1a),5-溴-3-甲基-1-(2-硝基氧乙基)-(1b)和5-溴-3-甲基-1-(3-硝基氧丙基)-2,4(1 H,3 H)-嘧啶二酮(1c)转化为相应的6-甲酰基化合物2a,2b和2c通过与三乙胺和1,4-二氮杂双环[2.2.2]辛烷反应,分别以优异的收率。这些6-甲酰基嘧啶二酮衍生物是制备6-碳-碳取代的化合物的关键中间体,预计这些化合物是潜在的抗肿瘤和抗病毒剂。类似地,通过2-(和3)硝基氧甲基吡啶(8a(和8b))与1,4-二氮杂双环[2.2.2]辛烷的反应获得2-(和3-)甲酰基吡啶(9a(和9b))。