Patent
Preparation method of aromatic diketone compound
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TLDR
In this article, a palladium-catalyzed synthesis method of a diketone compound was proposed, which comprises the following step: reacting a dinitrile compound and aryl trifluoroborate in solvent in the presence of a Palladium catalyst, a nitrogen-containing ligand and triffluoroacetic acid to prepare the diketsone compound through one step.Abstract:
The invention relates to a palladium-catalyzed synthesis method of a diketone compound, which comprises the following step: reacting a dinitrile compound and aryl trifluoroborate in solvent in the presence of a palladium catalyst, a nitrogen-containing ligand and trifluoroacetic acid to prepare the diketone compound through one step The synthesis method has the advantages of mild reaction conditions, high product yield, simple operation and the like, provides a new chemical reaction route for synthesis of the diketone compound, and has favorable implementation values and industrial application prospectsread more
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References
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Journal ArticleDOI
Synthesis of aryl ketones by the PD-catalyzed C-H activation of arenes and intermolecular carbopalladation of nitriles.
TL;DR: The palladium-catalyzed reaction of simple arenes and nitriles provides good to excellent yields of aryl ketones or the corresponding hindered imines, and the addition of a small amount of DMSO increases the yields dramatically.
Journal ArticleDOI
Palladium(II)-catalyzed addition of arylboronic acid to nitriles
Baowai Zhao,Xiyan Lu +1 more
TL;DR: The use of bipyridine is crucial for changing the properties of arylpalladium species from more electrophilic to more nucleophilic making the reaction possible as discussed by the authors.
Patent
Production of benzophenone derivatives
TL;DR: In this article, a compound represented by formula I (R is an acyl or silyl; ring A may have 1-4 substituent groups at positions other than the 2-position) is reacted with a compound representing by formula II (Y is hydroxyl or a halogen; ring B may have one or more substituted groups) (3,4-dimethoxybenzoic acid is especially preferred), preferably in the presence of a Friedel-Crafts reactional catalyst and a phosphorus halide compound in an organic solvent such as a hal
Patent
Production of 2-aminobenzophenone
Masaharu Nakano,Masakazu Yuya +1 more
TL;DR: In this paper, a benzoyl chloride of formula I (R 1 WR 3 are H, halogen or lower alkyl) is reacted with a p-substituted aniline of formula II (R 4 and R 5 are H or lower lakyl) in the presence of phosphorus pentoxide at 150W250°C for 1W30hr under heating and hydrolyzed to afford the aimed substance of formula III.
Patent
Process for producing benzophenone compound by oxidation
TL;DR: In this article, a method for preparing benzophenones compound by oxidation is described, in which substituted benzophenone compound II is synthesized by directly oxidizing substituted diphenylmethanes compound I by taking oxygen as oxidizer.