Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 45, Pages 18106-18109Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja208461k
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Funding
- National Institutes of Health [GM46059]
- Alexander von Humboldt Foundation
- National Science Foundation [CHE 9808061, DBI 9729592, 2HE-0946721]
- [1F32GM088931]
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A mechanistic investigation of the Pd-catalyzed conversion of aryl triflates to fluorides is presented. Studies reveal that C F reductive elimination from a LPdII(aryl)F complex (L = t-BuBrettPhos or RockPhos) does not occur when the aryl group is electron rich. Evidence is presented that a modified phosphine, generated in situ, serves as the actual supporting ligand during catalysis with such substrates. A preliminary study of the reactivity of a LPcII(aryl)F complex based on this modified ligand is reported.
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