Palladium complexes containing imino phenoxide ligands: synthesis, luminescence, and their use as catalysts for the ring-opening polymerization of rac-lactide.

IF 1.7 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Monatshefte Fur Chemie Pub Date : 2018-01-01 Epub Date: 2017-12-12 DOI:10.1007/s00706-017-2119-1
Mrinmay Mandal, Manuela List, Ian Teasdale, Günther Redhammer, Debashis Chakraborty, Uwe Monkowius
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Abstract

Abstract: The preparation, structural characterization, luminescence, and catalytic activity of three palladium(II) complexes bearing imino phenoxide ligands are reported. The X-ray studies revealed that the complexes are mononuclear with palladium centres coordinated in a square-planar coordination environment. Two of the complexes are emissive in solution at room temperature. The catalytic activities towards the ring-opening polymerization of rac-lactide (rac-LA) were tested. Polymers with moderate molecular weights and relatively broad dispersity (Ð) were obtained. Kinetic studies revealed that the polymerization followed first-order kinetics.

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含有亚氨基苯氧配体的钯配合物:合成、发光及其用作 rac-内酰胺开环聚合的催化剂。
摘要:报告了含有亚氨基苯氧配体的三种钯(II)配合物的制备、结构特征、发光和催化活性。X 射线研究表明,这些配合物是单核的,钯中心配位在方形平面配位环境中。其中两个配合物在室温下的溶液中具有发射性。对 rac-内酰胺(rac-LA)开环聚合的催化活性进行了测试。获得了分子量适中、分散度(Ð)相对较宽的聚合物。动力学研究表明,聚合遵循一阶动力学:
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来源期刊
Monatshefte Fur Chemie
Monatshefte Fur Chemie 化学-化学综合
CiteScore
3.70
自引率
5.60%
发文量
116
审稿时长
3.3 months
期刊介绍: "Monatshefte für Chemie/Chemical Monthly" was originally conceived as an Austrian journal of chemistry. It has evolved into an international journal covering all branches of chemistry. Featuring the most recent advances in research in analytical chemistry, biochemistry, inorganic, medicinal, organic, physical, structural, and theoretical chemistry, Chemical Monthly publishes refereed original papers and a section entitled "Short Communications". Reviews, symposia in print, and issues devoted to special fields will also be considered.
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