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Nickel-Catalyzed Cross-Coupling of Potassium Aryl- and Heteroaryltrifluoroborates with Unactilvated Alkyl Halides

  作者 MOLANDER GARY A; ARGINTARU O ANDREEA; ARON IOANA; DREHER SPENCER D  
  选自 期刊  Organic Letters;  卷期  2010年12-24;  页码  5783-5785  
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[摘要]A method for the cross-coupling of alkyl electrophiles with various potassium aryl- and heteroaryltrifluoroborates has been developed. Nearly stoichiometric amounts of organoboron species could be employed to cross-couple a large variety of challenging heteroaryl nucleophiles. Several functional groups were tolerated on both the electrophilic and the nucleophilic partners. Chemoselective reactivity of C(sp(3))-Br bonds in the presence of C(sp(2))-Br bonds was achieved.

 
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