Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 89166-98-3, name is 3,4,5-Trichloropyridin-2-ol. This compound has unique chemical properties. The synthetic route is as follows. name: 3,4,5-Trichloropyridin-2-ol
Add 0.1 mol of 3,5,6,-trichloropyridinol, 150 ml of ethanol, 0.4 mol of ammonium formate, 0.2 g of Pd/C catalyst, stir and reflux to reflux at 65 C for 5 hours, and analyze the reaction process by thin layer chromatography. . Cool, filter, and filter cake with a small amount of ethanol. The mother liquor and the washing liquid were combined, concentrated, and the product was distilled under reduced pressure by an oil pump, and the yield was 87.3%. The filter cake is washed with water to remove inorganic salts, and the recovered palladium/carbon catalyst can be recycled.
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Reference:
Patent; Zhejiang Sci-Tech University; Hong Xiaoping; Zhu Jintao; Meng Jing; (5 pag.)CN109836372; (2019); A;,
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