Synthesis of zinc complexes bearing pyridine derivatives and their application of ε-caprolactone and L-Lactide polymerization

被引：7

作者：

Chen, Guan-Jhen ^{[1
]}

Zeng, Shi-Xian ^{[1
]}

Lee, Cheng-Hsun ^{[1
]}

Chang, Yu-Lun ^{[1
]}

Chang, Chun-Juei ^{[1
,2
]}

Ding, Shangwu ^{[1
,2
]}

Chen, Hsuan-Ying ^{[1
,2
,3
]}

Wu, Kuo-Hui ^{[4
]}

Chang, I-Jy ^{[5
]}

机构：

[1] Kaohsiung Med Univ, Drug Dev & Value Creat Res Ctr, Dept Med & Appl Chem, Kaohsiung 80708, Taiwan

[2] Natl Sun Yat Sen Univ, Dept Chem, Kaohsiung 80424, Taiwan

[3] Kaohsiung Med Univ Hosp, Dept Med Res, Kaohsiung 80708, Taiwan

[4] Univ Tokyo, Grad Sch Sci, Dept Chem, Tokyo 1130033, Japan

[5] Natl Taiwan Natl Univ, Dept Chem, Taipei 11677, Taiwan

来源：

POLYMER | 2020年 / 194卷 / 194期

关键词：

Pyridine; Zinc complex; epsilon-Caprolactone; L-lactide; Ring-opening polymerization; RING-OPENING POLYMERIZATION; X-RAY STRUCTURES; STEREOSELECTIVE POLYMERIZATION; ALUMINUM COMPLEXES; PHOSPHATE SCAFFOLD; DRUG-DELIVERY; PRE-CATALYSTS; LIGANDS; COPOLYMERIZATION; POLYMERS;

D O I：

10.1016/j.polymer.2020.122374

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of pyridine and polypyridine-zinc complexes were synthesized, and their application in epsilon-caprolactone and L-lactide polymerization was studied. In epsilon-caprolactone polymerization, zinc complexes bearing 1,10-phenanthroline derivatives exhibited a higher polymerization rate than did diethyl zinc (2-10 times). In L-lactide polymerization, zinc complexes bearing 1,10-phenanthroline derivatives exhibited a considerably higher polymerization rate than did diethyl zinc (2-220 times). According to density functional theory results, the orthohydrogens of polypyridine ligand can co-activate the carbonyl group of monomers with zinc metal center to increase the catalytic activity of zinc catalysts.

引用

页数：13

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