Pyrimidine derivatives. VI. Synthesis of mono-, di-, tri-, and tetrabromo-substituted pyrimidine derivatives
作者:Toshio Kinoshita、Tomoko Okunaka、Takehiro Ohwada、Hiroyuki Kawanaka、Sunao Furukawa
DOI:10.1002/jhet.5570280817
日期:1991.12
5-position and side chains at the 1- and 6-positions were prepared. The three types of mono-bromo derivatives are: 1-(bromoalkyl)-3,6-dimethyl- 3a-d, 5-bromo-3,6-dimethyl-1-(hydroxyalkyl)- 4a-d, and 1-(acetoxyalkyl)-5-bromo-3,6-dimethyl-2,4(1H,3H)-pyrimidinediones 11a-d. The three types of dibromo derivatives are: 5-bromo-1-(bromoalkyl)-3,6-dimethyl- Sa-d, 1-(acetoxyalkyl)-5-bromo-6-bromomethyl- 8a, 8c
制备以下在5-位具有溴取代基且在1-和6-位具有侧链的溴-2,4(1 H,3 H)-嘧啶二酮。三种类型的单溴衍生物是:1-(溴烷基)-3,6-二甲基-3a-d,5-溴-3,6-二甲基-1-(羟烷基)-4a-d和1-(乙酰氧基烷基)-5-溴-3,6-二甲基-2,4(1 H,3 H)-嘧啶二酮11a-d。二溴衍生物的三种类型是:5-溴-1-(溴烷基)-3,6-二甲基-Sa-d,1-(乙酰氧基烷基)-5-溴-6-溴甲基-8a,8c和8d,以及5-溴-6-溴甲基1-(羟烷基)-2,4(1 H,3H)-嘧啶二酮9a,9c和9d。同样,一组三溴和一组四溴衍生物是:5-溴-1-(溴烷基)-6-溴甲基-7a-d和5-溴-1-(溴烷基)-6-二溴甲基-2,4(1 H,3H)-嘧啶二酮6a-d。