4.6 Article

Base-Promoted Coupling of Carbon Dioxide, Amines, and Diaryliodonium Salts: A Phosgene- and Metal-Free Route to O-Aryl Carbamates

Journal

CHEMISTRY-A EUROPEAN JOURNAL
Volume 21, Issue 41, Pages 14314-14318

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201502689

Keywords

amines; carbamates; carbon dioxide; diaryliodonium salts; three-component coupling

Funding

  1. National Natural Science Foundation of China [21172078]
  2. National Basic Research Program of China (973 Program) [2011CB808600]
  3. Guangdong Natural Science Foundation [10351064101000000]
  4. Fundamental Research Funds for the Central Universities [2015zz038]

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A phosgene- and metal-free synthesis of O-aryl carbamates is realized through a three-component coupling of carbon dioxide, amines and diaryliodonium salts. The reaction only requires a base as the promoter, providing access to a diverse array of O-aryl carbamates in moderate to high yields with excellent chemoselectivity.

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