Zinc complexes supported by (benzimidazolyl)pyridine alcohol ligands as highly efficient initiators for ring-opening polymerization of ε-caprolactone

被引：21
|
作者：
Li, Juan [1 ]
Deng, Yuan [2 ]
Jie, Suyun [1 ]
Li, Bo-Geng [1 ]
机构：
[1] Zhejiang Univ, Coll Chem & Biol Engn, State Key Lab Chem Engn, Hangzhou 310027, Zhejiang, Peoples R China
[2] Hangzhou Normal Univ, Key Lab Organosilicon Chem & Mat Technol, Minist Educ, Hangzhou 311112, Zhejiang, Peoples R China
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2015年 / 797卷
关键词：
Zinc; Ring-opening polymerization; epsilon-caprolactone; RAC-LACTIDE; CYCLIC ESTERS; ALUMINUM COMPLEXES; STRUCTURAL-CHARACTERIZATION; COORDINATION CHEMISTRY; BOROHYDRIDE COMPLEXES; HETEROSELECTIVE ROP; CATALYTIC-ACTIVITY; CROWN-ETHER; METAL;
D O I：
10.1016/j.jorganchem.2015.08.002
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of air-stable zinc complexes (1-3) supported by (benzimidazolyl) pyridine alcohol ligands {tri-dentate [N,N,O]} has been synthesized and well characterized by FT-IR, H-1 and C-13 NMR, elemental analysis and single-crystal X-ray diffraction analysis. In combination with methyllithium, these zinc complexes were proved to be highly efficient initiators for the ring-opening polymerization (ROP) of epsilon-caprolactone (epsilon-CL). The ROP of epsilon-CL in the absence or presence of benzyl alcohol, as well as the influences of monomer concentration, reaction temperature and the substituent on the ligand, were investigated in detail. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：76 / 82
页数：7
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