Abstract
Cobalt-catalyzed cross-couplings of nitrogen-containing heterocyclic phosphonium salts with arylmagnesium halides proceeded efficiently with the aid of cobalt(II) catalyst and copper(I) salt in tetrahydrofuran at ambient temperature, producing the desired 4-arylated pyridine, quinoline, and quinoxaline in modest to good yields.
Original language | English |
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Article number | 153662 |
Journal | Tetrahedron Letters |
Volume | 92 |
DOIs | |
State | Published - 2 Mar 2022 |
Keywords
- Arylmagnesium reagent
- Cobalt catalysis
- Cross-coupling
- Nitrogen-containing heterocyclic phosphonium salts
- Pyridine