Aluminum Complexes with Bidentate
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‐Dialkylaniline–arylamido Ligands: Synthesis, Structures, and Catalytic Properties for Efficient Ring‐Opening Polymerization of ϵ‐Caprolactone
作者:Aihong Gao、Ying Mu、Jingshun Zhang、Wei Yao
DOI:10.1002/ejic.200900158
日期:2009.8
2h), with AlMe 3 (1 equiv.). All complexes were characterized by 1 H and 13 C NMR spectroscopy and elemental analysis. Single-crystal X-ray diffraction analysis of complexes 3c and 3e revealed that these Al complexes have a distorted tetrahedral geometry around the metal center. All complexes were found to be efficient catalysts for the ring-opening polymerization of e-caprolactone (CL) in the presence
许多带有双齿 N,N-二烷基苯胺-芳基酰胺配体的 Al 配合物,邻位-(ArNCH 2 )C 6 H 4 NR 2 AlMe 2 (R = Me,Ar = 2,6-iPr 2 C 6 H 3 , 3a; 2,6-Et 2 C 6 H 3 , 3b; 2,6-Me 2 C 6 H 3 , 3c; 4-MeC 6 H 4 , 3d; Ph, 3e; 和 R = Et, Ar = 2,6- iPr 2 C 6 H 3 , 3f; 2,6-Me 2 C 6 H 3 , 3g; Ph, 3h),由相应的游离配体邻位-(ArNHCH 2 )C 6 H 4 NR 反应合成2 (R = Me, Ar = 2,6-iPr 2 C 6 H 3 , 2a; 2,6-Et 2 C 6 H 3 , 2b; 2,6-Me 2 C 6 H 3, 2c; 4-MeC 6 H 4 , 2d; Ph, 2e; 和 R = Et