Crystals of cage-like Ru metal-organic complexes and preparation method of crystals
A technology of metal-organic complexes, applied in ruthenium organic compounds, organic chemical methods, platinum group organic compounds, etc., can solve the problems of low atom utilization, large discharge of three wastes, environmental pollution, etc., and achieve unique coordination mode, The preparation method is simple and the structure is clear
Inactive Publication Date: 2016-06-22
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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Problems solved by technology
Traditional oxidation methods mostly use oxidants such as chromate, permanganate, and organic peracids, which have low atomic utilization and large discharge of three wastes. Some processes even cause harm to the human body and seriously pollute the environment.
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[0018] The present invention will be described in detail below in conjunction with examples.
[0019] Novel cage-like Ru-Cl, Ru-Br metal-organic complexes with catalytic oxidation and their crystal preparation methods and reaction conditions are as follows:
[0020] a) Preparation of ligands L-Cl and L-Br. Weigh butylimidazole and 5-chloromethyl-2-salicylaldehyde into the reaction bottle, add toluene to dissolve them, stir and react at room temperature for 5 hours, wash and filter with ether after the reaction, and dry in a vacuum oven to obtain a light yellow solid ; Weigh the above-mentioned solid and 2,6-dimethylaniline and add ethanol to dissolve, stir at room temperature for 2 hours, wash and filter after the reaction, and dry in a vacuum oven to obtain a yellow solid L-Cl; weigh 2-bromoethylamine hydrogen bromide salt and salicylaldehyde were dissolved in toluene, reacted at 50°C for 2 hours, added NaOH aqueous solution, stirred and reacted for 0.5 hours, condensed and ...
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The invention provides crystals of cage-like Ru metal-organic complexes and a preparation method of the crystals and relates to metal complex crystals and a preparation method thereof. The two metal-organic complexes utilize RuCl2(PPh3)3 as a metal precursor and are prepared through actions with two different types of organic ligands, and the crystals of the two complexes are obtained with a diffusion culture method; the two novel metal-organic complexes with the cage-like structures and the crystal structures of the two novel metal-organic complexes are characterized through testing by an X-ray single-crystal diffractometer. Results indicate that the two crystals are clear in structure, adopt a unique coordination mode, and are greatly potential catalysts and potential antitumor drugs; the research for the catalytic action of the complexes shows that the complexes have the characteristics of mild reaction condition, simple post-processing, high catalytic activity and high selectivity in catalysis of an alcohol oxidation reaction; the two novel cage-like Ru metal-organic complexes (RuCl)4(PPh3)4 are applicable to the catalysis of an oxidation reaction.
Description
technical field [0001] The invention relates to a metal complex crystal and a preparation method thereof, in particular to a caged ruthenium metal organic complex crystal and a preparation method thereof. Background technique [0002] The research on ruthenium metal complexes has developed rapidly and has broad application prospects. Since the transition metal ruthenium has multiple layers of electrons and unfilled d orbitals, the metal center can not only provide electrons to the ligand, but also accept electrons from the ligand, which can reversibly change the oxidation state and coordination of the metal. Therefore, transition metal ruthenium complexes have been widely used in various catalytic reactions and are one of the hot spots in the field of catalyst research. At present, there are many kinds of ruthenium metal-organic complexes, especially aromatic hydrocarbon ruthenium complexes, which are widely used in catalytic hydrogenation reaction, hydrogenation transfer r...
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IPC IPC(8): C07F15/00B01J31/24C07C45/29C07C47/54
CPCB01J31/1845B01J2231/76B01J2531/0205B01J2531/0216B01J2531/821C07B2200/13C07C45/29C07F15/0046C07C47/54
Inventor 丁茯马世民苏阳段国会孙亚光
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY