Group 5 transition metal imido complexes with dianionic guanidinate ligands displaying extended interactions
作者:Natesan Thirupathi、Glenn P. A. Yap、Darrin S. Richeson
DOI:10.1039/a906976c
日期:——
N,N′
,N″–tri(isopropyl)guanidinate complexes of M(V) (M = Nb, Ta) bearing imido ligands represent unique examples of monoanionic and dianionic guanidinate complexes of these metals; single crystal X-ray analyses for two of the latter species, [µ-(NPri)3C]2TaMe(NPri)}(Mg2Cl2)·4C6D6 and (µ-η2:η2 (PriN)3C)Ta(NPri)Cl}2, exhibit unusual bonding modes involving all of the nitrogen centers of the ligand.
带有亚氨基配体的 M(V)(M = Nb、Ta)的 N,N′,N″-三(异丙基)胍类配合物是这些金属的单离子和双离子胍类配合物的独特实例;对后两种配合物 [µ-(NPri)3C]2TaMe(NPri)}(Mg2Cl2)-4C6D6 和 (µ-η2:η2 (PriN)3C)Ta(NPri)Cl}2 展示了涉及配体所有氮中心的不寻常成键模式。