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Substituted 2,2'-bipyridines by nickel-catalysis: 4,4'-di-tert-butyl-2,2'-bipyridine.

ABSTRACT: A simple, ligand-free synthesis of the important bipyridyl ligand 4,4'-di-tert-butyl-2,2'-bipyridine is presented. 5,5'-bis(trifluoromethyl)-2,2'-bipyridine is also synthesized by the same protocol. The syntheses efficiently couple the parent 2-chlorpyridies by a nickel-catalyzed dimerization with manganese powder as the terminal reductant.

SUBMITTER: Buonomo JA 

PROVIDER: S-EPMC4160121 | biostudies-literature | 2013 Nov

REPOSITORIES: biostudies-literature

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Substituted 2,2'-bipyridines by nickel-catalysis: 4,4'-di-<i>tert</i>-butyl-2,2'-bipyridine.

Buonomo Joseph A JA   Everson Daniel A DA   Weix Daniel J DJ  

Synthesis 20131101 22

A simple, ligand-free synthesis of the important bipyridyl ligand 4,4'-di-<i>tert</i>-butyl-2,2'-bipyridine is presented. 5,5'-bis(trifluoromethyl)-2,2'-bipyridine is also synthesized by the same protocol. The syntheses efficiently couple the parent 2-chlorpyridies by a nickel-catalyzed dimerization with manganese powder as the terminal reductant. ...[more]

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