lEt (3). Both reactions proceed via addition of unsaturated organic substrate across Al–N–C bond sequence in complex 1. Complexes 2 and 3 have been characterized by IR and 1H NMR spectroscopy. Molecular structures of 2 and 3 have been determined by single-crystal X-ray analysis. Complex 2 was found to be catalyst for the reaction between phenylacetylene and diphenylamine. A full conversion of the reagents
在没有溶剂的情况下,二
苯乙炔与铝络合物(dpp-bian)AlEt(Et 2 O)(1)(dpp-bian = 1,2-双[(2,6-二异丙基苯基)亚
氨基] ena)反应。在真空下于130℃下得到化合物[dpp-bian(PhC CPh)] AlEt(2)。甲基
乙烯基酮与配合物1的反应易于在环境温度下于Et 2 O中进行,并导致化合物[dpp-bian(CH 2 -CH C(Me)-O)] AlEt(3)的形成。两者都通过在配合物1中的Al–N–C键序列上添加不饱和有机反应来进行。配合物2和3已经通过IR和1 H NMR光谱表征。2和3的分子结构已通过单晶X射线分析确定。发现络合物2是
苯乙炔和
二苯胺之间反应的催化剂。在110°C的条件下,在140小时内用5 mol%的络合物2在苯中的试剂完全转化,得到以N-苯基-2-(1-苯基
乙烯基)
苯胺(4a)为主要产物(87%)。