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(A) Facile oxidative addition into aryl halides containing an o-imine ligand. (B) Crystal structures of 4 and 5. Carbon is shown in gray, nitrogen in purple, bromine in yellow, chlorine in lime, and nickel in green. Distances from Ni to ortho hydrogen (in ångstroms, shown in green) and Ni−H−C angles (in degrees) support the anagostic interaction, which results in the downfield shift of that proton in 1H NMR.
