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New coordination environments for yttrium formed in situ by heterometallic bridging: Crystal structures of (C5H4SiMe3)Y[(μ-OCMe3)(μ-Me)AlMe2]2 and (Me3SiCH2)Y[(μ-CH2)2 SiMe2][(μ-OR)Li(THF)2]2

✍ Scribed by William J. Evans; Timothy J. Boyle; Joseph W. Ziller

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
860 KB
Volume
462
Category
Article
ISSN
0022-328X

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Synthesis, Structural Characterisation a
Synthesis, Structural Characterisation and Reactivity of New Dinuclear Monocyclopentadienyl Imidoniobium and -tantalum Complexes − X-ray Crystal Structures of [{Nb(η5-C5H4SiMe3)Cl2}2(μ-1,4-NC6H4N)], [{Ta(η5-C5Me5)Cl2}2(μ-1,4-NC6H4N)] and [{Ta(η5-C5Me5)(CH2SiMe3)2}2(μ-1,4-NC6H4N)]
✍ Antonio Antiñolo; Iván Dorado; Mariano Fajardo; Andrés Garcés; Isabel López-Sol 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 254 KB 👁 1 views

## 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