Synthesis and Characterization of a Series of Bis(oxo/thiophosphinic)diamido Yttrium Complexes and Their Application as Initiators for Lactide Ring-Opening Polymerization
作者:Rachel H. Platel、Linda M. Hodgson、Andrew J. P. White、Charlotte K. Williams
DOI:10.1021/om7004194
日期:2007.9.1
The syntheses, structures, and lactide polymerization initiation are reported for a series of novel [N,N‘-1,3-bis(P,P‘-di-isopropyloxophosphinic)-2,2-dimethylpropylenediamido}(amido)yttrium] complexes and contrasted with [N,N‘-1,3-bis(P,P‘-di-isopropylthiophosphinic)-2,2-dimethylamido}bis(trimethylsilyl)amido}yttrium]. The syntheses of the novel [N,N‘-1,3-bis(P,P‘-di-isopropyloxo/thiophosphinic)-2
的合成,结构和丙交酯聚合引发报道了一系列新颖的[ Ñ,Ñ “-1,3-二(P,P ” -二- isopropyloxophosphinic)-2,2- dimethylpropylenediamido}(酰氨基)钇]配合物并与[ N, N'-1,3-bis(P, P'-二异丙基硫代次膦酸酯)-2,2-二甲基氨基} 双(三甲基甲硅烷基)酰胺}钇形成对比。的新颖的合成[ Ñ,Ñ “-1,3-二(P,P ” -二- isopropyloxo /硫代次)-2,2- dimethylpropylenediamido}(酰氨基)钇]复合物以优良产率通过反应实现的ñ,ñ “-1,3-二(P,P “ -二- isopropyloxo /硫代次)-2,2- dimethylpropylenediamine配体与[Y(NR 2)3 · X THF](R =森达3,森达2 H,我-Pr,X = 0,2)