Abstract
Two silylene transition metal complexes were prepared by reacting stable N-heterocyclic silylene L {L = PhC(NtBu)(2)SiNPh(2)}with Mn(2)(CO)(10) and Re(2)(CO)(10) respectively in a 2 : 1 ratio to yield [L(2)Mn(CO)(4)](+)[Mn(CO)(5)](-) (1) and [L(2)Re(CO)(4)](+)[Re(CO)(5)](-) (2). Both complexes and were characterized by NMR spectroscopy, EI-MS spectrometry and elemental analysis. The molecular structures of complexes 1 and 2 were established by single crystal X-ray analysis.
Highlights
In the past two decades, there has been increasing interest in the chemistry of N-heterocyclic carbenes (NHCs).[1,2] The fascinating discovery of stable N-heterocyclic carbenes by Arduengo et al.[3] led to burgeoning research activity
Two silylene transition metal complexes were prepared by reacting stable N-heterocyclic silylene L {L = PhC(NtBu)2SiNPh2}with Mn2(CO)[10] and Re2(CO)[10] respectively in a 2 : 1 ratio to yield [L2Mn(CO)4]+[Mn(CO)5]− (1) and [L2Re(CO)4]+[Re(CO)5]− (2)
NHCs have been utilized as strong donor ligands for transition metals
Summary
In the past two decades, there has been increasing interest in the chemistry of N-heterocyclic carbenes (NHCs).[1,2] The fascinating discovery of stable N-heterocyclic carbenes by Arduengo et al.[3] led to burgeoning research activity. The group 7 metal carbonyl complexes from a stable heteroleptic silylene PhC(NtBu)2SiNPh2† Two silylene transition metal complexes were prepared by reacting stable N-heterocyclic silylene L {L = PhC(NtBu)2SiNPh2}with Mn2(CO)[10] and Re2(CO)[10] respectively in a 2 : 1 ratio to yield [L2Mn(CO)4]+[Mn(CO)5]− (1) and [L2Re(CO)4]+[Re(CO)5]− (2).
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