1,3-二烷基-2-硫代-1,2,3,3a,9,9a-六氢咪唑并[4,5- e ]噻唑并[3,2 - b ] -1,2,4-三嗪-7的反应在碱性催化条件下,带有6的Isatin及其衍生物的(6 H)-ones生成相应的2-thioxo-1,2,3的1,3-二烷基-6(7)-(2-氧代吲哚-3-基亚烷基)衍生物,3a,9,9a-六氢咪唑并[4,5-e]噻唑并[3,2 - b ] -1,2,4-三嗪-7(6 H)-one或2-thioxo-1,2,3, 3a,4,9a-六氢咪唑并[4,5- e ]噻唑并[2,3 - c ] -1,2,4-三嗪-8(7 H)-由羟醛-巴豆酸缩合和and的骨架am重排产生噻唑三嗪片段,取决于所加碱的量。
Synthesis of imidazo[4,5-e][1,3]thiazolo-[3,2-b][1,2,4]triazines
摘要:
Perhydroimidazo[4,5-e][1,2,4]triazine-3-thiones are alkylated with bromoacetic acid to give previously unreported imidazo[4,5-e][1,3]thiazolo[3,2-b][1,2,4]triazines whose structure has been confirmed by X-ray structural analysis.