Structural tuning enhanced catalytic activity of amido aluminum complexes for the ring-opening polymerization of e-caprolactone

被引：4
|
作者：
Chen, Ming-Tsz [1 ]
Huang, Ting-Hsun [1 ]
Yang, Fu-An [1 ]
Chen, Bo-Hsn [1 ]
机构：
[1] Providence Univ, Dept Appl Chem, 200,Sec 7,Taiwan Blvd, Taichung 43301, Taiwan
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2022年 / 979卷
关键词：
METAL-BASED CATALYSTS; CYCLIC ESTERS; ZINC-COMPLEXES; ZN(II) COMPLEXES; LIGANDS; OXAZOLINATE; NITROGEN; LACTIDE; 5-COORDINATE; REACTIVITY;
D O I：
10.1016/j.jorganchem.2022.122493
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
This work describes various coordination modes of aluminum complexes bearing amido-pyridinate and amido-benzene ligands. Utilizing pendant donating groups to switch the coordination behaviours of aluminum complexes and their catalytic activities. Noticeably, these Al complexes containing the methoxy group markedly showed reactivities in ring-opening polymerization of epsilon-caprolactone. Among them, com-plex 3 with the methoxy group coordinated to the metal center exhibited higher performance with lower catalyst loading at room temperature than other related amido aluminum complexes in literature. (C) 2022 Elsevier B.V. All rights reserved.
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页数：9
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