3 years ago

Inside Cover: Synthesis of ortho-Azophenols by Formal Dehydrogenative Coupling of Phenols and Hydrazines or Hydrazides (Chem. Eur. J. 36/2017)

Inside Cover: Synthesis of ortho-Azophenols by Formal Dehydrogenative Coupling of Phenols and Hydrazines or Hydrazides (Chem. Eur. J. 36/2017)
Kenneth Virgel N. Esguerra, Jean-Philip Lumb
A synthesis of azophenols that interfaces the unrelated biosynthetic processes of melanogenesis and collagen formation into a one-pot sequence is described. Azophenols possess ideal properties for fast information transmission in biological contexts. This study provides mild and selective conditions, overcoming a long-standing challenge to couple nucleophilic phenols and hydrazines or hydrazides using O2 as oxidant. The method highlights many benefits of bio-inspired synthesis, including an earth-abundant and readily available copper catalyst and water as the main by-product. More information can be found in the Communication by J. P. Lumb and K. V. N Esguerra on page 8596.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201701560

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