Publikation: Phosphonium-bridged alkali and alkaline-earth metallocene complexes
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1998
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Organometallics. 1998, 17(11), pp. 2155-2161. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om971122b
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Chiral metallocene complexes with a dialkylphosphonium bridge and different main-group metal (Li, K, Ba) centers have been synthesized from phosphonium-bridged bis(cyclopentadienyl) ligands in their mono- and diprotonated forms. NMR studies in solution and crystal structures of the kalocene Me2P(2-Me-4-tBu-C5H2)2K and of the barocene Me2P(2-Me-4-tBu-C5H2)2Ba(THF)3+BPh4- show that these metallocenes are obtained in form of their racemic diastereomers.
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LEYSER, Nadine, Katrin SCHMIDT, Hans-Herbert BRINTZINGER, 1998. Phosphonium-bridged alkali and alkaline-earth metallocene complexes. In: Organometallics. 1998, 17(11), pp. 2155-2161. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om971122bBibTex
@article{Leyser1998Phosp-23749,
year={1998},
doi={10.1021/om971122b},
title={Phosphonium-bridged alkali and alkaline-earth metallocene complexes},
number={11},
volume={17},
issn={0276-7333},
journal={Organometallics},
pages={2155--2161},
author={Leyser, Nadine and Schmidt, Katrin and Brintzinger, Hans-Herbert}
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<dcterms:abstract xml:lang="eng">Chiral metallocene complexes with a dialkylphosphonium bridge and different main-group metal (Li, K, Ba) centers have been synthesized from phosphonium-bridged bis(cyclopentadienyl) ligands in their mono- and diprotonated forms. NMR studies in solution and crystal structures of the kalocene Me<sub>2</sub>P(2-Me-4-<sup>t</sup>Bu-C<sub>5</sub>H<sub>2</sub>)<sub>2</sub>K and of the barocene Me<sub>2</sub>P(2-Me-4-<sup>t</sup>Bu-C<sub>5</sub>H<sub>2</sub>)<sub>2</sub>Ba(THF)<sub>3</sub><sup>+</sup>BPh<sub>4</sub><sup>-</sup> show that these metallocenes are obtained in form of their racemic diastereomers.</dcterms:abstract>
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