Synthesis p. 574 - 575 (1987)
Update date:2022-08-16
Topics:
Rode, Thomas
Breitmaier, Eberhard
A new reaction of 2-bromo-6-methylpyridine 1 is described.Compound 1, when refluxed in dry toluene with a stochiometric amount of thoroughly dried and degassed Raney-Nickel, yields 6,6'-dimethyl-2,2'-bipyridine-N,N'-nickel dibromide 2.Subsequent hydrolysis of 2 (water), followed by extraction (chloroform) and crystallization from ligroine gives the desired ligand 3, 6,6'-dimethyl-2,2'-bipyridine, a useful reagent in the synthesis of polypyridines and related macrocyclic compounds.
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