Preparation method and application of ionic phosphoramidite ligand

The technology of phosphonamide and monodentate phosphonamide is applied in the field of preparation of ionic phosphonamide ligands, which can solve the problem of limited research on phosphonamide ligands, and achieves efficient preparation, functional modification, good Application prospect, favorable effect of reaction rate
CN112442087AInactive Publication Date: 2021-03-05上海簇睿低碳能源技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
上海簇睿低碳能源技术有限公司
Publication Date
2021-03-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an ionic phosphoramidite ligand, a preparation method and application of the ionic phosphoramidite ligand in hydroformylation reaction. A general formula of the ligand is shownin the specification. The preparation method comprises the following steps: dissolving phosphorus trichloride and imidazole in a solvent, conducting stirring for reaction, conducting filtering, dissolving substituted biphenol in a solvent, dropwisely adding the formed solution into the filtrate for reaction, and purifying the obtained product to obtain phosphoramidite; and reacting phosphoramidite with a quaternization reagent in a solvent to obtain a product, and purifying the product to obtain the ionic phosphoramidite. Through the method provided by the invention, a series of neutral phosphoramidite ligands can be conveniently synthesized, and a series of ionic phosphoramidite ligands with different physicochemical properties can be efficiently synthesized through a quaternization method.
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Description

technical field

[0001] The invention relates to a preparation method and application of an ionic phosphonamidite ligand. The catalyst has a simple synthesis process, unique physical and chemical properties, and has high industrial application prospects in reactions such as hydroformylation. It belongs to metal organic and Homogeneous catalysis technology field. Background technique

[0002] The hydroformylation reaction, also known as the oxo reaction, is the reaction of olefins and synthesis gas (CO+H 2 ) Catalyzed reaction process to form aldehyde or alcohol. The annual output of aldehydes and alcohols produced by hydroformylation has exceeded 10 million tons.

[0003] Co metal complexes were used as catalysts in early hydroformylation reactions, but the reaction conditions were harsh, product selectivity was poor, and Co complexes were highly toxic (Angew. Chem. Int. Ed., 1994, 33, 2144). With the deepening of research, it is found that the catalytic activity of Rh met...

Claims

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