Kumada coupling of aryl and vinyl tosylates under mild conditions
ME Limmert, AH Roy, JF Hartwig
Index: Limmert, Michael E.; Roy, Amy H.; Hartwig, John F. Journal of Organic Chemistry, 2005 , vol. 70, # 23 p. 9364 - 9370
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Citation Number: 156
Abstract
Aryl and alkenyl tosylates are easily prepared, inexpensive and, thus, attractive for transition- metal-catalyzed couplings, but their reactivity is low. We report examples of mild, palladium- catalyzed coupling of aryl, alkenyl, and alkyl Grignard reagents with aryl and alkenyl tosylates. The resulting biaryls, vinylarenes, and alkylarenes were isolated in good to excellent yield. These couplings were conducted with a nearly equimolar ratio of the two ...
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