Wendt, Ola F. and Bercaw, John E. (2001) Thermally Stable Dialkylzirconocenes with β-Hydrogens. Synthesis and Diastereoselectivity. Organometallics, 20 (18). pp. 3891-3895. ISSN 0276-7333. https://resolver.caltech.edu/CaltechAUTHORS:20170725-102245085
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Abstract
Alkylation of Cp^r_2ZrCl_2 (Cpr = Cp (η^5-C_5H_5), Cp‘ (η^5-C_5H_4Me), Cp^* (η^5-C_5Me_5)) and CpCp^*Zr(CH_3)Cl with 1-lithio-2-methylpentane (R^1Li) gives the corresponding dialkylzirconocenes Cp^r_2ZrR^1_2 and CpCp^*Zr(CH_3)R^1, in high yields. Such alkyls have unprecedented thermal stabilities, especially for the CpCp^* ligand framework. The diastereomers of the Cp^r_2ZrR^1_2 complexes are formed in a statistical distribution, whereas the diastereomers of CpCp^*Zr(CH_3)R^1 form in a 2:3 ratio.
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Additional Information: | © 2001 American Chemical Society. Received 9 April 2001. Published online 8 August 2001. Published in print 1 September 2001. This work has been supported by the USDOE Office of Basic Energy Sciences (Grant No. DE-FG03-85ER13431) and ExxonMobil Chemical Co. O.F.W. thanks The Wenner-Gren Foundations, The Fulbright Commission, and The Royal Physiographic Society in Lund, Sweden, for postdoctoral fellowships. | ||||||||||||
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Issue or Number: | 18 | ||||||||||||
Record Number: | CaltechAUTHORS:20170725-102245085 | ||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20170725-102245085 | ||||||||||||
Official Citation: | Thermally Stable Dialkylzirconocenes with β-Hydrogens. Synthesis and Diastereoselectivity Ola F. Wendt and John E. Bercaw Organometallics 2001 20 (18), 3891-3895 DOI: 10.1021/om0102910 | ||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
ID Code: | 79330 | ||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||
Deposited By: | Ruth Sustaita | ||||||||||||
Deposited On: | 25 Jul 2017 17:35 | ||||||||||||
Last Modified: | 03 Oct 2019 18:18 |
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