Comparing a series of 8-quinolinolato complexes of aluminium, titanium and zinc as initiators for the ring-opening polymerization of rac-lactide

被引：38

作者：

Bakewell, Clare ^{[1
]}

Fateh-Iravani, Giovanna ^{[1
]}

Beh, Daniel W. ^{[1
]}

Myers, Dominic ^{[1
]}

Tabthong, Sittichoke ^{[2
]}

Hormnirun, Pimpa ^{[2
]}

White, Andrew J. P. ^{[1
]}

Long, Nicholas ^{[1
]}

Williams, Charlotte K. ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AZ, England

[2] Kasetsart Univ, Dept Chem, Fac Sci, Bangkok 10900, Thailand

来源：

DALTON TRANSACTIONS | 2015年 / 44卷 / 27期

基金：

英国工程与自然科学研究理事会;

关键词：

EARTH METAL-COMPLEXES; COORDINATION CHEMISTRY; ANIONIC-POLYMERIZATION; MAGNESIUM COMPLEXES; CRYSTAL-STRUCTURE; REDOX CONTROL; DIFFERENT STEREOCONTROL; LIGANDS; CALCIUM; ROP;

D O I：

10.1039/c5dt00192g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The preparation and characterization of a series of 8-hydroxyquinoline ligands and their complexes with Ti(IV), Al(III) and Zn(II) centres is presented. The complexes are characterized using NMR spectroscopy, elemental analysis and, in some cases, by single crystal X-ray diffraction experiments. The complexes are compared as initiators for the ring-opening polymerization of racemic-lactide; all the complexes show moderate/good rates and high levels of polymerization control. In the case of the titanium or aluminium complexes, moderate iso-selectivity is observed (P-i = 0.75), whereas in the case of the zinc complexes, moderate hetero-selectivity is observed (P-s = 0.70).

引用

页码：12326 / 12337

页数：12

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