Abstract
AbstractReaction of trans‐Mo(dmpe)2(Cl)(NO) (1) [dmpe = bis(dimethylphosphanyl)ethane] with lithium triethylborohydride and lithium bis(trimethylsilyl)amide affords the adducts [Mo(dmpe)2(Cl)(NO)(LiHBEt3)]n (2) and {Mo(dmpe)2(Cl)(NO)[LiN(SiMe3)2]2}n (3), respectively, and the reaction of 1 with n‐butyllithium and iodomethane generates the complex [Mo(dmpe)2(Cl)(NO)]3(LiI)2 (4). Complexes 2–4 have been characterized by elemental analysis, IR spectroscopy, NMR spectroscopy, and single‐crystal X‐ray diffraction analysis. The structure of 2 shows an infinite one‐dimensional “zigzag” chain constructed from an alternating arrangement of Mo(dmpe)2(Cl)(NO) and LiHBEt3 moieties, whereas the structure of 3 exhibits an infinite linear chain generated by the alternating arrangement of the Mo(dmpe)2(Cl)(NO) moiety and the dimeric [LiN(SiMe3)2]2 unit. In both compounds, the Mo(dmpe)2(Cl)(NO) moieties act as bridging ligands by coordination of the nitrosyl oxygen atom and the chlorine atom to the lithium ions. Complex 4 displays a discrete structure formed by two separate monomeric LiI units that are bridged by the nitrosyl oxygen atoms of three Mo(dmpe)2(Cl)(NO) moieties. The chlorine atoms of 4 are not involved in coordination. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
Published Version
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