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Präparative, 11B-, 93Nb-NMR-spektroskopische und strukturelle Untersuchungen an Cp2NbBH4- und [CpNb(B2H6)]2-Komplexen (= PREPARATORY ANALYSIS, B-11 NMR-SPECTROSCOPY, NB-93 NMR-SPECTROSCOPY AND STRUCTURAL-ANALYSIS OF CP2NBBH4 COMPLEXES AND [CPNB(B2H6)] COMPLEXES)

Brunner, Henri and Gehart, G. and Meier, W. and Wachter, Joachim and Wrackmeyer, B. and Nuber, B. and Ziegler, M. L. (1992) Präparative, 11B-, 93Nb-NMR-spektroskopische und strukturelle Untersuchungen an Cp2NbBH4- und [CpNb(B2H6)]2-Komplexen (= PREPARATORY ANALYSIS, B-11 NMR-SPECTROSCOPY, NB-93 NMR-SPECTROSCOPY AND STRUCTURAL-ANALYSIS OF CP2NBBH4 COMPLEXES AND [CPNB(B2H6)] COMPLEXES). Journal of Organometallic Chemistry 436 (3), pp. 313-324.

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Abstract

NbCl5 reacts with NaBH4 and LiCp+ (Cp+ = EtMe4C5) dependent on the stoichiometry and temperature to give Cp+2NbCl2 (1), CP+2Nb2Cl2(B2H6)(2), CP+2NbBH4(3a) and Cp+ 2Nb2(B2H6)2 (4a). With a large excess of NaBH4, Cp+ 2NbCl2 gives 2 at 25-degrees-C, which reacts further with NaBH 4 to give 4a. The synthesis of the deep violet, very stable 4a can be generalised by using C5Me5Li and tBUC5H4Li, ...

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Item Type:Article
Date:1992
Institutions:Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Dr. Joachim Wachter
Identification Number:
ValueType
10.1016/0022-328X(92)85063-3DOI
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Universitätsbibliothek Regensburg
Deposited On:04 Jan 2012 08:38
Last Modified:13 Mar 2014 18:20
Item ID:23040
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