Journal article
Structure–reactivity correlations in new W(IV) and Nb(IV) silicon-bridged ansa-metallocene hydrides
- Abstract:
- W(IV) and Nb(IV) derivatives: [W(L1)MeH] (1), [W(L1)MeH] (2) and [W(L1)O] (3), [W(L2)Cl-2](4), [W(L2)H-2](5), [W(L2)H-3][BF4] (6), [Nb(L2)Cl-2](7) and [Nb(L2)(eta(2)-BH4)](8), where L1 = [(eta-C5H4)(2)SiMe2](2-) and L2 = [(eta-C5H3TMS)(2)SiMe2](2-), have been prepared and characterised. The crystal structures of compounds 5 and 8 have been determined. Thermodynamic parameters for the elimination of methane from compound 2 have been evaluated based on H-1 NMR studies in C6D6. Trimethylsilyl substituents on the cyclopentadienyl rings appear to moderate the structural and dynamic properties of the silicon-bridged ansa-tungstenocenes. (c) 2005 Elsevier Ltd. All rights reserved.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Publisher copy:
- 10.1016/j.poly.2005.08.025
Authors
+ Engineering and Physical Sciences Research Council
More from this funder
- Funding agency for:
- Conway, S
- Publisher:
- Elsevier
- Journal:
- Polyhedron More from this journal
- Volume:
- 25
- Issue:
- 2
- Pages:
- 406-420
- Publication date:
- 2006-01-01
- DOI:
- ISSN:
-
0277-5387
- Language:
-
English
- Keywords:
- Subjects:
- UUID:
-
uuid:f144c50f-651d-4529-b29a-ee5713aa1ed5
- Local pid:
-
ora:2661
- Deposit date:
-
2009-03-02
- ARK identifier:
Terms of use
- Copyright holder:
- Elsevier Ltd
- Copyright date:
- 2005
- Notes:
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