制备了掺入四氢噻吩部分的新型氮杂胺。进行氮杂烯胺与α,β-不饱和腈的迈克尔加成反应,得到[1] benzothieno [3',2':5,6] pyrimido [1,2- b ] pyridazine(thia-triaza-benzo [ a ]芴)衍生产品。与丙二腈的缩合导致形成[1]苯并噻吩并[3',2':5,6]嘧啶基[1,2 - b ]哒嗪-4-腈。氮杂烯胺也与醛和哌啶反应生成曼尼希产物。 氮杂胺-四氢苯并[ b ]噻吩-迈克尔加成-缩合-曼尼希烷基化
moiety were prepared. Michael addition of an azaenamine with α,β-unsaturated nitriles took place to give [1]benzothieno[3′,2′:5,6]pyrimido[1,2-b]pyridazine (thia-triaza-benzo[a]fluorene) derivatives. The condensation with malononitrile resulted in the formation of a [1]benzothieno[3′,2′:5,6]pyrimido[1,2-b]pyridazine-4-carbonitrile. The azaenamine also reacted with aldehydes and piperidine to give Mannich
制备了掺入四氢噻吩部分的新型氮杂胺。进行氮杂烯胺与α,β-不饱和腈的迈克尔加成反应,得到[1] benzothieno [3',2':5,6] pyrimido [1,2- b ] pyridazine(thia-triaza-benzo [ a ]芴)衍生产品。与丙二腈的缩合导致形成[1]苯并噻吩并[3',2':5,6]嘧啶基[1,2 - b ]哒嗪-4-腈。氮杂烯胺也与醛和哌啶反应生成曼尼希产物。 氮杂胺-四氢苯并[ b ]噻吩-迈克尔加成-缩合-曼尼希烷基化