947-19-3Relevant articles and documents
O-hydroxyketoxime compound as well as preparation method and application thereof
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Paragraph 0088-0091, (2022/03/18)
The invention relates to an o-hydroxyketoxime compound as well as a preparation method and application thereof. The o-hydroxyketoxime compound has a structural formula as shown in a formula (I) or a formula (II) which is described in the specification. The o-hydroxyoxime compound provided by the invention has adjacent hydroxyl group and oxime group structures, forms a specific hydrophobic structure with R1, R2 and R3 groups, has better chelating ability to metal ions, has particularly excellent chelating ability to Cu (II), and is excellent in flotation effect; and compared with salicylaldoxime, the recovery rate of the compound of the invention is increased by 1-30%, and the compound can be widely applied to flotation of copper oxide.
Oxidation of Primary Alcohols and Aldehydes to Carboxylic Acids via Hydrogen Atom Transfer
Tan, Wen-Yun,Lu, Yi,Zhao, Jing-Feng,Chen, Wen,Zhang, Hongbin
supporting information, p. 6648 - 6653 (2021/09/08)
The oxidation of primary alcohols and aldehydes to the corresponding carboxylic acids is a fundamental reaction in organic synthesis. In this paper, we report a new chemoselective process for the oxidation of primary alcohols and aldehydes. This metal-free reaction features a new oxidant, an easy to handle procedure, high isolated yields, and good to excellent functional group tolerance even in the presence of vulnerable secondary alcohols and tert-butanesulfinamides.
Method for preparing alpha-hydroxy ketone photoinitiator in microreactor
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Paragraph 0024; 0025; 0030; 0031, (2020/05/05)
The invention relates to a method for preparing an alpha-hydroxy ketone photoinitiator in a microreactor. The method comprises the following steps: introducing chlorine into isobutyryl benzene servingas a raw material to obtain an intermediate chloroisobutyryl chloride, and carrying out alkaline hydrolysis on the intermediate under the action of an aqueous sodium hydroxide solution to obtain thealpha-hydroxy ketone photoinitiator. The preparation method of the alpha-hydroxy ketone photoinitiator has the advantages of high operation safety, high selectivity, small reaction volume, short reaction time, low equipment corrosion, low energy consumption and environment friendliness, and is a process method suitable for industrial production.