专利号:EP-0289036-A1 优先权日:1987-04-30 标题:Preparation of 3-chloro-4,5-difluorobenzotrifluoride 发明人:MUNDHENKE RUDOLPH F; TANG DAVID Y 权利人:OCCIDENTAL CHEM CO 摘要:In the synthesis of 3-chloro-4,5-difluorobenzotrifluoride by reaction of KF with 3,5-dichloro-4-fluorobenzotrifluoride, the production of undesirable by-products, especially over-fluorinated materials such as trifluorobenzotrifluoride is minimized when the reaction is run at a temperature of 196° to 206° Celsius in the presence of N-methyl-2-pyrrolidone.
[参考文献]: Robert E Sammelson, Et Al. Synthesis Of A Tritium-Labeled, Fipronil-Based, Highly Potent, Photoaffinity Probe For The Gaba Receptor. J Org Chem. 2003 Oct 17;68(21):8075-9.
合成参考文献
参考文献:10.1021/jo034520z 摘要:Sammelson RE, Casida JE. Synthesis of a tritium-labeled, fipronil-based, highly potent, photoaffinity probe for the GABA receptor. J Org Chem. 2003 Oct 17;68(21):8075–9. doi: 10.1021/jo034520z.