the reactivity of stable selenaazadienes are discussed. Their dienic, electrophilic and nucleophilic character are used to prepare five and six membered selenoheterocycles. The easy access to selenazine, selenazinone, selenopyran, selenazoline, selenazole and selenophene heterocycles from N-selenoacylamidines is described. An interpretation of the reactivity of the selenaazadiene systems, experimentaly
讨论了一种新的合成方法和稳定的
硒代氮杂二烯的反应性。它们的二烯,亲电子和亲核特性可用于制备五元和六元亚
硒杂环。描述了容易从N-
硒代酰基idine啶获得
硒硒嗪,
硒硒嗪酮,
硒代
吡喃,
硒代唑啉,
硒代唑和
硒亚砜杂环的方法。与它们的
硫杂类似物相比,实验上对
硒代氮杂二烯系统的反应性的解释是基于其理化参数,并且与前沿分子轨道能级的理论计算相关。