aminoalkoxide-mediated formation and stabilization of phenylpyridyllithium: straightforward access...

2003 Pyridine derivatives Pyridine derivatives R 0380 In situ Formation and Reaction of 2-Pyridylboronic Esters. — Pd-Catalyzed cross-coupling of 2-bromopyridines (I) with bis(pinacolato)diboron generates 2-pyridylboronic esters which react in situ with remaining 2-bromopyridine (I) to give 2,2'-bipyridines (II) together with varying amounts of protiodeborinated pyridines (III). — (FULLER, A. A.; HESTER, H. R.; SALO, E. V.; STEVENS*, E. P.; Tetrahedron Lett. 44 (2003) 14, 2935-2938; Dep. Chem., Davidson Coll., Davidson, NC 28036, USA; Eng.) — Mais 27- 121

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Page 1: Aminoalkoxide-Mediated Formation and Stabilization of Phenylpyridyllithium: Straightforward Access to Phenylpyridine Derivatives

2003 Pyridine derivatives

Pyridine derivativesR 0380 In situ Formation and Reaction of 2-Pyridylboronic Esters. — Pd-Catalyzed

cross-coupling of 2-bromopyridines (I) with bis(pinacolato)diboron generates2-pyridylboronic esters which react in situ with remaining 2-bromopyridine (I) to give 2,2'-bipyridines (II) together with varying amounts of protiodeborinated pyridines (III). — (FULLER, A. A.; HESTER, H. R.; SALO, E. V.; STEVENS*, E. P.; Tetrahedron Lett. 44 (2003) 14, 2935-2938; Dep. Chem., Davidson Coll., Davidson, NC 28036, USA; Eng.) — Mais

27- 121

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