A new convenient procedure to prepare organomanganese reagents from organic halides and activated manganese

A new method to obtain activated manganese metal, especially attractive for large scale preparative organic chemistry, is described. The key point is the use of 2-phenylpyridine as electron carrier to reduce manganese chloride by lithium. The active manganese thus obtained was used to prepare variou...

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Bibliographic Details
Published in:Tetrahedron letters 1999-08, Vol.40 (35), p.6407-6410
Main Authors: Cahiez, Gérard, Martin, Arnaud, Delacroix, Thomas
Format: Article
Language:English
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Summary:A new method to obtain activated manganese metal, especially attractive for large scale preparative organic chemistry, is described. The key point is the use of 2-phenylpyridine as electron carrier to reduce manganese chloride by lithium. The active manganese thus obtained was used to prepare various organomanganese reagents from organic halides. The reactivity of these reagents has been studied (acylation, 1,2- or 1,4-addition, alkylation and alkenylation). Graphic
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(99)01331-3