A convenient and high yield preparation of 4, 4′-dicarboxy-2, 2′-bipyridine from the oxidation 4, 4′-dimethyl-2, 2′-bipyridine with potassium dichromate in sulfuric acid is reported.
No takes yet. Share an insight, caveat, or question.
Oki et al. (1995) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: