作者:Gennady I. Borodkin、Innokenty R. Elanov、Yury V. Gatilov、Vyacheslav G. Shubin
DOI:10.1016/j.jfluchem.2019.109412
日期:2019.12
A novel effective protocol has been developed for direct fluorination of naproxen using the electrophilic fluorinating reagents 1-chloromethy1-4-fluoro-l,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) (Selectfluor™, F-TEDA-BF4) and N-fluorobenzenesulfonimide (NFSI) in MeCN and H2O solvents with the formation of 2-(5-fluoro-6-methoxynaphthalen-2-yl)propionic and 2-(5,5-difluoro-6-oxo-5,6-dih
已开发出一种新的有效协议,用于使用亲电子氟化试剂1-氯甲基1-4-氟-1,4-二氮杂双环[2.2.2]辛烷双(四氟硼酸酯)直接氟化萘普生(Selectfluor™,F-TEDA-BF 4)和N-氟苯磺酰亚胺(NFSI)在MeCN和H 2 O溶剂中形成2-(5-氟-6-甲氧基萘-2-基)丙酸和2-(5,5-二氟-6-氧代-5) ,6-二氢萘-2-基)丙酸。萘普生与过量的Selectfluor(摩尔比NF-试剂/萘普生= 2.2)在MeOH中的反应生成甲基2-(5,5-二氟-6,6-二甲氧基-5,6-二氢萘-2-基)丙酸酯为主要产品。讨论了反应的机理和产物的X射线数据。