Base-promoted coupling of carbon dioxide, amines, and diaryliodonium salts: a phosgene- and metal-free route to O-aryl carbamates.
Chemistry (Weinheim an der Bergstrasse, Germany)（2015）
Abstract
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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Key words
amines,carbamates,carbon dioxide,diaryliodonium salts,three-component coupling
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