Efficient synthesis of benzo[c]cinnolines and azoarenes via dual C−N coupling of phthalhydrazide and trivalent halogen reagents
Sign Up to like & getrecommendations! Published in 2023 at "Organic Chemistry Frontiers"
DOI: 10.1039/d3qo00391d
Abstract: Phthalhydrazide is proved to be an elegant N=N source to undergo tandem dual-C−N coupling/deprotection/oxidation with not only cyclic/linear diaryliodoniums but also rarely explored diarylbromoniums, giving benzo[c]cinnolines (up to 99% yield)... read more here.
Keywords: benzo cinnolines; dual coupling; cinnolines azoarenes; efficient synthesis ... See more keywords