869781-61-3Relevant academic research and scientific papers
5,5′-diamino-2,2′-bipyridine: A versatile building block for the synthesis of bipyridine/catechol ligands that form homo- and heteronuclear helicates
Albrecht, Markus,Janser, Ingo,Luetzen, Arne,Hapke, Marko,Froehlich, Roland,Weis, Patrick
, p. 5742 - 5748 (2005)
Herein we present an improved synthesis of 5,5′-diamino-2,2′- bipyridine (1) starting from the pyrrole-protected aminopyridine 4. By standard reactions 1 can easily be transformed into the imine- or amide-bridged dicatechol-bipyridine ligands L1/sup
