Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 352, Issue 9, Pages 1446-1450Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000066
Keywords
alkynes; C-C coupling; C-H activation; copper; diphenylmethanes
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Funding
- The Canada Research Chair (Tier I) foundation
- CFI
- FQRNT
- NSERC
- McGill University
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The activation of benzylic C-H bonds and subsequent coupling with terminal alkynes in the presence of 2,3-dichloro-5,6-dicyanoquinone (DDQ) and a catalytic amount of copper(I) triflate is presented. Good to moderate yields of disubstituted alkynes are obtained for this cross-dehydrogenative coupling (CDC) reaction between a variety of aromatic alkynes and diphenylmethane derivatives.
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