Synthesis and Characterization of 1,3-Dihalogeno-2,4-bis(2,4,6-tri-tert-butylphenyl)-cyclo-1,3-distiba-2,4-diazanes, [X–Sb(μ-NR)]2 (X = F, Cl, Br, and I)
✍ Scribed by Mathias Lehmann; Axel Schulz; Alexander Villinger
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 569 KB
- Volume
- 2010
- Category
- Article
- ISSN
- 1434-1948
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## Abstract The preparation of a family of dinuclear monocyclopentadienyl imidoniobium and ‐tantalum complexes was achieved by two different synthetic routes. The diimido complexes [{M(Cp′)Cl~2~}~2~(μ‐1,__i__‐NC~6~H~4~N)] [Cp′ = η^5^‐C~5~H~4~SiMe~3~, M = Nb, __i__ = 4 (1); Cp′ = η^5^‐C~5~H~4~SiMe~3
## Abstract Ten new silver and gold trimeric complexes of the type [M~3~(__μ__‐pz′)~3~] (M=Au, Ag), where pz′ indicate pyrazolato ligands derived from mesogenic 3,5‐disubstituted 1__H__‐pyrazoles $\rm{ Hpz^{R\_2}}$ or non‐mesogenic 3‐substituted 1__H__‐pyrazoles Hpz^R^ (R=C~6~H~4~OC~__n__~H~2__n__+