Synthesis of new tricyclic ring systems containing the pyrimido[5, 4-<i>b</i>][1, 4]oxazine skeleton
作者:Péter Mátyus、Luca Szalay、Endre Kasztreiner、Gyula Jerkovich、György Rabloczky
DOI:10.1002/jhet.5570260341
日期:1989.5
Synthesis of derivatives 4 and 6 of two novel tricyclic ring systems, 1, 2, 4-triazolo[3, 4-c]pyrimido[5, 4-b]-[1, 4]oxazine and imidazo[1, 2-c]pyrimido[5, 4-b][1, 4]oxazine, respectively is described. Although the parent pyrimido[5, 4-b]oxazines possess positive inotropic activity, the tricyclic compounds are practically inactive.
衍生物的合成4和6两种新型三环的环系统,第1,2,2,4-三唑并[3,4的Ç ]嘧啶并[5,4- b ] - [1,4]恶嗪和咪唑并[1,2- Ç分别描述了] pyrimido [5,4- b ] [1,4]恶嗪。尽管母体嘧啶并[ 5,4- b ]恶嗪具有正性变力活性,但三环化合物实际上是无活性的。