Transition-metal-free synthesis of aromatic amines via the reaction of benzynes with isocyanates
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Add time:08/26/2019 Source:sciencedirect.com
An unexpected reaction between benzynes and isocyanates to generate aromatic amines has been developed under transition-metal-free conditions. The in situ prepared anions formed through cleavage of the NC bond in isocyanates, reacted with aryne precursors to afford various aniline derivatives in moderate to excellent yield and tolerated various substituents on the o-silyl aryl triflate and the isocyanate.
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