Evidence for Metal–Ligand Cooperation in a Pd–PNF Pincer-Catalyzed Cross-Coupling
2013
Scharf, Adam | Goldberg, Israël | Vigalok, Arkadi
The first Pd–pincer complex bearing a halogen (fluorine) arm has been prepared via the base-assisted dearomatization of a phosphine–quinoline (P∼N) ligand. This dearomatization is reversible and has been used to facilitate catalytic Sonogashira-type cross-coupling that, contrary to the typical mechanistic approach, is based on a metal–ligand cooperation mode.
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