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• Description

  2,2′-Dipyridylamine is an organic compound with the formula (C5H4N)2NH. It consists of a pair of 2-pyridyl groups (C5H4N) linked to a secondary amine. The compound forms a range of coordination complexes.Its conjugate base, 2,2′-dipyridylamide, forms extended metal atom chains.;

• Synthesis

  

  Tri-tert-butylphosphine, palladium acetate, and sodium tert-butoxide were added to a solution of 2-aminopyridine and 2-bromopyridine in degassed toluene, and the mixture was heated under reflux for 2 hours. The reaction mixture was cooled to room temperature, diluted with toluene, and filtered through diatomaceous earth. The filtrate was diluted with water, extracted with toluene, and the organic phases were combined and evaporated under vacuum. The residue was filtered through silica gel and then repurified to give 2,2'-DIPYRIDYLAMINE.

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• Formation

  2,2′-Dipyridylamine can be formed by heating pyridine with sodium amide. Alternatively, 2-aminopyridine can be heated with 2-chloropyridine over barium oxide.;

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