Kaczmarek, Lukasz published an article in 1985, the title of the article was Bipyridines. Part XVII. A convenient synthesis of some bipyridinediols and furodipyridines.SDS of cas: 75449-26-2 And the article contains the following content:
A convenient method of preparation of some bipyridinediols e.g. I, II and furodipyridines III (X or X1 or X2 = N) based on diazotization of corresponding diamines in H2SO4 has been described. The experimental process involved the reaction of [2,2′-Bipyridine]-3,3′-diamine(cas: 75449-26-2).SDS of cas: 75449-26-2
The Article related to bipyridinediamine diazotization cyclization, bipyridinediol, furodipyridine, Heterocyclic Compounds (More Than One Hetero Atom): Fused-Ring Systems With Two Or More Hetero Atoms, No More Than One Hetero Atom Per Ring and other aspects.SDS of cas: 75449-26-2