Formation of ArF from LPdAr(F): Catalytic Conversion of Aryl Triflates to Aryl Fluorides
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- 25 September 2009
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 325 (5948) , 1661-1664
- https://doi.org/10.1126/science.1178239
Abstract
Facile Fluorination: Fluorine atoms have become a useful substituent in pharmaceuticals. However, they remain challenging to introduce synthetically because present methods for carbon-fluorine bond formation require either corrosive conditions or somewhat exotic, and thus expensive, reagents. A sticking point has been the failure of traditional palladium catalysts to couple aryl groups with coordinated fluoride. Watson et al. (p. 1661 , published online 13 August; see the Perspective by Gouverneur ) show that pairing palladium with a well-designed phosphine ligand produces a versatile catalyst for aryl fluorination using simple fluoride salts. The method tolerates a range of functional groups and should facilitate efficient syntheses of multiple fluoroaromatic targets.Keywords
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