studies. The X-ray crystal structures of 26 and 27, having two ortho formyl groups, reveal the absence of any Se···O interactions. However, the Se···O interactions were observed in the selenenate ester 34 where one of the formyl groups has been utilized for the selenenate ring formation. The crystal structures of 26 and 27 exhibited intermolecular short-range C−H···Se interactions (hydrogen bonding). Although
描述了一系列衍生自1-
溴-4-叔丁基-2,6-二(甲酰基)苯(22)的低价有机
硒化合物的合成和表征。二
硒化物25的合成通过
锂化途径完成,而双(4-叔丁基-2,6-二(甲酰基)苯基)二
硒化物(26)是通过用二
硒化二
钠处理22而合成的。一系列monoselenides的(27,28,和29是由
溴的容易亲核取代中获得)22,使用相应的selenolates作为亲核试剂。双(4-叔丁基)的卤化反应丁基-2,6-二(甲酰基)苯基)二
硒化物(26)没有提供相应的
硒烯基卤化物,但是导致分离出了意外的环状
硒代酸酯34。
硒化物32是由二甲氧基甲基二
硒化物的治疗用trilithiated 2-
溴-5-合成叔丁基- Ñ,Ñ ' -二(苯基)间苯二甲酰胺。通过IR,1 H和77 Se NMR光谱,X射线晶体学和计算研究检查了潜在的Se··O分子内非键相互作用的存在。26和27的X射线晶体结构具有两个邻甲酰基的化合