Enhanced Activity of [Ni (NHC) CpCl] Complexes in Arylamination Catalysis

AR Martin, Y Makida, S Meiries, AMZ Slawin…

Index: Martin, Anthony R.; Makida, Yusuke; Meiries, Sebastien; Slawin, Alexandra M. Z.; Nolan, Steven P. Organometallics, 2013 , vol. 32, # 21 p. 6265 - 6270

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Citation Number: 36

Abstract

Seven new air-and moisture-stable nickel complexes bearing flexible bulky NHC (N- heterocyclic carbene) ancillary ligands (NHC= IPr*, IPr* Tol, IPr* OMe, IPent) are reported. Using experimentally determined crystal structures, the steric environments of [Ni (NHC) CpCl] complexes were analyzed. A survey of their catalytic activity in Buchwald–Hartwig arylamination has been performed. In comparison to less sterically demanding analogues ...

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