ortho-Heteroarylation of Azobenzenes by Rh-Catalyzed Cross-Dehydrogenative Coupling: An Approach to Conjugated Biaryls

Organic Letters(2016)

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摘要
A direct cross-dehydrogenative coupling strategy for ortho-C–H activation and functionalization of azobenzenes with heteroarenes in the presence of a Rh catalyst was developed. Excellent regioselectivity was achieved by azo-coordinated Rh to realize oxidative C–H/C–H cross-coupling, providing a series of π-conjugated biaryls in good yields.
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