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Characterization of the bis(pyridine) complex of the butyllithium-pyridine adduct, 2-Bun(C5H5N)Li·(C5H5N)2; its decomposition to 2-butylpyridine via a dihydropyridine

Barr, D. and Snaith, R. and Mulvey, Robert and Reed, D. (1988) Characterization of the bis(pyridine) complex of the butyllithium-pyridine adduct, 2-Bun(C5H5N)Li·(C5H5N)2; its decomposition to 2-butylpyridine via a dihydropyridine. Polyhedron, 7 (8). pp. 665-668. ISSN 0277-5387

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Abstract

The complexed adduct, 2-Bun(C5H5N)Li·(C5H5N)2, (3), synthesized by reaction of BunLi with a three-fold excess of pyridine, has been characterized. 1H NMR studies on solutions of (3) of various ages and histories (thermal and photochemical) have shown that the adduct deteriorates to the hydrolysis product 2-butylpyridine (1) via 1,2-dihydro-2-butylpyridine (4).