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)