499-06-9Relevant articles and documents
Stefanova et al.
, p. 786,789,790 (1972)
Reaction method for selectively synthesizing aromatic aldehyde or aromatic carboxylic acid
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Paragraph 0035-0036, (2020/12/05)
The invention provides a reaction method for selectively synthesizing aromatic aldehyde or aromatic carboxylic acid. Toluene aromatic hydrocarbon without substituent or with substituent on a benzene ring is used as a raw material, an inorganic salt of ferric iron is used as a catalyst, air or oxygen is used as an oxidizing agent, a mixed solution of acetonitrile and water is used as a solvent, theraw material is oxidized by adjusting the dosage of the catalyst to obtain aromatic aldehyde or aromatic carboxylic acid, and the aromatic aldehyde or aromatic carboxylic acid is irradiated by ultraviolet light for 10-16 hours. Aromatic carboxylic acid obtained under the condition that the dosage of the catalyst is 5-50% mol of aromatic hydrocarbon is used as a main product, wherein the use amount of the catalyst is 70-200% mol of aromatic hydrocarbon. The reaction method provided by the invention has the characteristics of atom economy and high selectivity, uses the metal iron salt with richearth content for catalysis, and has the advantages of mild conditions, recyclable catalyst and solvent and the like.
Green synthesis method of aromatic acid
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Paragraph 0048-0122; 0241-0245; 0271-0272, (2020/05/01)
The invention discloses a green synthesis method of aromatic acid. Nickel-catalyzed carbonyl insertion is carried out on aryl iodine in the presence of formate, acid anhydride, a phosphine ligand andan organic solvent by using a nickel catalyst to obtain the aromatic acid. Efficient catalytic conversion is realized by utilizing the cheap nickel catalyst, the reaction conditions are mild, and theoperation is simple.