ansa-metallocene derivatives XXXIX biphenyl-bridged metallocene complexes of titanium, zirconium, and vanadium : syntheses, crystal structures and enantioseparation

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1997
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Huttenloch, Monika E.
Dorer, Birgit
Rief, Ursula
Prosenc, Marc-Heinrich
Schmidt, Katrin
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Journal of Organometallic Chemistry. 1997, 541(1-2), pp. 219-232. ISSN 0022-328X. Available under: doi: 10.1016/S0022-328X(97)00064-8
Zusammenfassung

Chiral, biphenyl-bridged metallocene complexes of general type biph(3,4-R2C5H2)2MCl2 (biph = 1,1'-biphenyldiyl) were synthesized and characterized. For the dimethyl-substituted titanocenes and zirconocenes (R = CH3; M = Ti, Zr), preparations with increased overall yields and an optical resolution method were developed. The bis(2-tetrahydroindenyl) complexes (R,R = (CH2)4; M = Ti, Zr) were obtained by an alternative synthetic route and characterized with regard to their crystal structures. Syntheses of the phenyl-substituted derivatives (R = C6H5; M = Ti, Zr) and of a chiral, methyl-substituted vanadocene complex (R = CH3; M = V) are also reported.

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540 Chemie
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Titanium, zirconium, vanadium, metallocene, enantioseparation
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ISO 690HUTTENLOCH, Monika E., Birgit DORER, Ursula RIEF, Marc-Heinrich PROSENC, Katrin SCHMIDT, Hans-Herbert BRINTZINGER, 1997. ansa-metallocene derivatives XXXIX biphenyl-bridged metallocene complexes of titanium, zirconium, and vanadium : syntheses, crystal structures and enantioseparation. In: Journal of Organometallic Chemistry. 1997, 541(1-2), pp. 219-232. ISSN 0022-328X. Available under: doi: 10.1016/S0022-328X(97)00064-8
BibTex
@article{Huttenloch1997ansam-23890,
  year={1997},
  doi={10.1016/S0022-328X(97)00064-8},
  title={ansa-metallocene derivatives XXXIX biphenyl-bridged metallocene complexes of titanium, zirconium, and vanadium : syntheses, crystal structures and enantioseparation},
  number={1-2},
  volume={541},
  issn={0022-328X},
  journal={Journal of Organometallic Chemistry},
  pages={219--232},
  author={Huttenloch, Monika E. and Dorer, Birgit and Rief, Ursula and Prosenc, Marc-Heinrich and Schmidt, Katrin and Brintzinger, Hans-Herbert}
}
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    <dcterms:abstract xml:lang="eng">Chiral, biphenyl-bridged metallocene complexes of general type biph(3,4-R&lt;sub&gt;2&lt;/sub&gt;C&lt;sub&gt;5&lt;/sub&gt;H&lt;sub&gt;2&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;MCl&lt;sub&gt;2&lt;/sub&gt; (biph = 1,1'-biphenyldiyl) were synthesized and characterized. For the dimethyl-substituted titanocenes and zirconocenes (R = CH&lt;sub&gt;3&lt;/sub&gt;; M = Ti, Zr), preparations with increased overall yields and an optical resolution method were developed. The bis(2-tetrahydroindenyl) complexes (R,R = (CH&lt;sub&gt;2&lt;/sub&gt;)4; M = Ti, Zr) were obtained by an alternative synthetic route and characterized with regard to their crystal structures. Syntheses of the phenyl-substituted derivatives (R = C&lt;sub&gt;6&lt;/sub&gt;H&lt;sub&gt;5&lt;/sub&gt;; M = Ti, Zr) and of a chiral, methyl-substituted vanadocene complex (R = CH&lt;sub&gt;3&lt;/sub&gt;; M = V) are also reported.</dcterms:abstract>
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