The reactivity of PCcarbeneP iron carbenes,[{PC(sp^(2))P}Fe(L)(N_(2))](1-L,L=NC^(t)Bu,PMe_(3)),was investigated toward imines,ketones,diazenes,2-vinylpyridine,and 8-methylquinoline,and revealed the directed activation...The reactivity of PCcarbeneP iron carbenes,[{PC(sp^(2))P}Fe(L)(N_(2))](1-L,L=NC^(t)Bu,PMe_(3)),was investigated toward imines,ketones,diazenes,2-vinylpyridine,and 8-methylquinoline,and revealed the directed activation of aryl,vinyl,or benzyl C–H bonds by 1,2-addition across the iron-carbene bond.Our results support a syn 1,2-addition of these bonds,suggesting a metal–ligand cooperative process for the activation of these substrates.These findings highlight the potential of iron-carbene complexes in C–H activation processes,and deviate from the traditional mechanisms employed for iron promoted C–H activations.展开更多
基金supported by the Natural Science Foundation(award number:2102517).
文摘The reactivity of PCcarbeneP iron carbenes,[{PC(sp^(2))P}Fe(L)(N_(2))](1-L,L=NC^(t)Bu,PMe_(3)),was investigated toward imines,ketones,diazenes,2-vinylpyridine,and 8-methylquinoline,and revealed the directed activation of aryl,vinyl,or benzyl C–H bonds by 1,2-addition across the iron-carbene bond.Our results support a syn 1,2-addition of these bonds,suggesting a metal–ligand cooperative process for the activation of these substrates.These findings highlight the potential of iron-carbene complexes in C–H activation processes,and deviate from the traditional mechanisms employed for iron promoted C–H activations.
