Synthesis of a series of new ruthenium organometallic complexes derived from pyridine-imine ligands and their catalytic activity in oxidation of secondary alcohols
作者:Zhiqiang Hao、Ying Li、Chen Li、Ruitao Wu、Zhihong Ma、Suzhen Li、Zhangang Han、Xuezhong Zheng、Jin Lin
DOI:10.1002/aoc.4750
日期:2019.3
Reactions of pyridine imines [C5H4N‐2‐C(H) = N‐C6H4‐R] [R = H (1), CH3 (2), OMe (3), CF3 (4), Cl (5), Br (6)] with Ru3(CO)12 in refluxing toluene gave the corresponding dinuclear ruthenium carbonyl complexes of the type μ‐η2‐CH[(2‐C5H4N)(N‐C6H4‐R)]}2Ru2(CO)4(μ‐CO) [R = H (7); CH3 (8); OMe (9); CF3 (10); Cl (11); Br (12)]. All six novel complexes were separated by chromatography, and fully characterized
吡啶亚胺的反应[C 5 H 4 N-2-C(H)= N-C 6 H 4 - R] [R = H(1),CH 3(2),OMe(3),CF 3(4 ),CL(5),溴(6)]用的Ru 3(CO)12在回流的甲苯中,得到相应的双核钌羰基的类型的复合物 μ - η 2 -CH [(2-C 5 H ^ 4 N)( N‐C 6 H 4 ‐ R)]} 2 Ru 2(CO)4(μ ‐CO)[R = H(7); CH 3(8); OMe(9);CF 3(10);Cl(11);Br(12)]。通过色谱分离所有六个新型复合物,并通过元素分析,IR,NMR光谱进行全面表征。通过X射线晶体衍射确定7、10、11和12的分子结构。此外,还测试了这些配合物的催化性能。的组合μ - η 2 -CH [(2-C 5 H ^ 4 N)(N-C 6 H ^ 4 -R)]} 2的Ru 2(CO)4(μ -CO)和NMO得到一种有效的催化用于各种仲醇氧化的体系。