MUMBAI, India, Sept. 26 -- Intellectual Property India has published a patent application (202417072390 A) filed by Jingdezhen Fushine Life Technology Co. Ltd.; and Jiangxi Fushine Pharmaceutical Co. Ltd., Jiangxi, China, on Sept. 25, 2024, for 'method for preparing trifluoromethyl aromatic compound.'
Inventor(s) include Li, Huiyue; Chen, Yinghui; Yan, Jinhua; Wen, Haihong; Yao, Jian; and Tao, Weifeng.
The application for the patent was published on Sept. 26, under issue no. 39/2025.
According to the abstract released by the Intellectual Property India: "A method for preparing a trifluoromethyl aromatic compound, comprising: mixing a trichloromethyl aromatic compound and an organic alkali hydrofluoride for a fluorination reaction and carrying out solid-liquid separation on the resulting reaction solution to obtain a wet organic alkali hydrochloride product and a filtrate; drying the wet organic alkali hydrochloride product and condensing a gas generated in the drying process for recovery to obtain a condensation product; and carrying out rectification purification on the filtrate and the condensation product to obtain the trifluoromethyl aromatic compound. The preparation method can achieve an effective conversion rate of 95% or more and an overall molar yield of 95% or more, produce a hydrochloride byproduct which has excellent quality, meets industry standards, and can be sold externally as an industrial byproduct, generate almost no "waste gas, waste water, and waste residue", and is thus an efficient, economical, and environmentally friendly preparation method."
The patent application was internationally filed on Mar. 07, 2024, under International application No.PCT/CN2024/080491.
Disclaimer: Curated by HT Syndication.
