The Ru catalyzed cross-dehydrogenative C-O bond formation between anilines and phenols is described and discussed. The exclusive C-O versus C-N bond-formation selectivity, moreover in the absence of chelating-assisting directing groups and while leaving the N-H position untouched, is a remarkable feature of this metal-catalyzed radical cross-dehydrogenative coupling.
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http://dx.doi.org/10.1002/chem.201604764 | DOI Listing |
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