Zinc and aluminum complexes of chiral ligands: Synthesis, characterization and application to rac-lactide polymerization
作者:Bin Jia、Junsheng Hao、Xuehong Wei、Hongbo Tong、Meisu Zhou、Diansheng Liu
DOI:10.1016/j.jorganchem.2016.12.031
日期:2017.3
The crystalline complexes L2Zn (1), L3Al (2), L′2Zn (3) and L'AlMe2 (4) were synthesized from the reactions of the corresponding chiral ligands (S)N-(2-pyrrolylmethylene)-1-phenylethylamine (HL) or (S)N-(2-pyrrolylmethyl)-1-phenylethanamine (HL′) and diethylzinc or trimethylaluminum, respectively. Complexes 1–4 were well characterized by 1H NMR, 13C NMR spectroscopy, elemental analyses and single crystal
该结晶复合物大号2的Zn(1),大号3的Al(2),大号' 2的Zn(3)和大号“阿尔梅2(4)从相应的手性配体(反应合成小号)ñ - (2-吡咯基亚甲基)-1-苯基乙胺(HL)或(S)N-(2-吡咯基甲基)-1-苯基乙胺(HL')和二乙基锌或三甲基铝。配合物1 - 4进行了充分表征由1 H NMR,13 C NMR光谱,元素分析和单晶X射线晶体学。此外,已经研究了对rac-丙交酯的开环聚合(ROP)的催化活性,并且所有的配合物都可以用作引发剂,以得到富含全同立构的聚丙交酯。