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Paper | Special issue | Vol 33, No. 2, 1992, pp.641-648
Published online, 1st January, 1970
DOI: 10.3987/COM-91-S60
Oxoammonium Salts. 4 A New Reagent for Phenol Coupling

James M. Bobbitt* and Zhenkun Ma

*Department of Chemistry, University of Connecticut, Storrs, CT 06269-3060, U.S.A.


Oxoammonium salts, such as 2,2,6,6-tetra-methyluioeridlne-1-oxonlum tetrafluoroborate, oxidatlvely couple phenols to dihydroxyblphenyls in good yleld. Furthermore, these compounds can be used to dehydrogenate tertiary amines to imrnium salts and to oxidlze certain phenols to quinones.