Stable borate-bridged ansa-zirconocene complexes. Preparation and X-ray crystallographic characterization of [Cp*2Al]+[Me(Ph)B(η5-C 5H4)2ZrCl2]- and [PPN]+[Cl(Ph)B(η5-C5H4) 2ZrCl2]-

Organometallics

Volumn 18, Issue 26, 1999, Pages 5432-5434

  Burns, Christopher T ^a   Stelck, Daniel S ^a   Shapiro, Pamela J ^a   Vij, Ashwani ^a   Kunz, Klaus ^b   Kehr, Gerald ^b   Concolino, Tom ^c   Rheingold, Arnold L ^c  

^a UNIVERSITY OF IDAHO   (United States)

^b UNIVERSITY OF MÜNSTER   (Germany)

^c UNIVERSITY OF DELAWARE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001366706     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om990744p     Document Type: Article

References (25)

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9. (i) Stelck, D. S.; Shapiro, P. J.; Basickes, N. Organometallics 1997, 16, 4546.
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17. Burns, C. T.; Shapiro, P. J. Abstracts of Papers, 216th National Meeting of the American Chemical Society, Boston, MA; American Chemical Society: Washington, DC, 1998; INOR 5.
18. + decomposition, which we were unable to completely eliminate.
19. 2Zr; space group P2√n; monoclinic; a = 13.961(2) Å, b = 17.058(3) Å, c = 14.639(2) Å, β = 93.158(10)° at 213 K; V = 3481.0(9) Å3; Z = 4; final R indices (I > 2σ(I)) R1 = 0.0669, wR2 = 0.1265 for 7852 independent reflections.
20. Yang, X.; Stern, C. L.; Marks, T. J. J. Am. Chem. Soc. 1994, 116, 10015.
21. Dohmeier, C.; Schnöckel, H.; Robl, C.; Schneider, U.; Ahlrichs, R. Angew. Chem., Int. Ed. Engl. 1993, 32, 1655.
22. The ethylene polymerizations were performed as described in: Duda, L.; Erker, G.; Fröhlich, R.; Zippel, F. Eur. J. Inorg. Chem. 1998, 1153.
23. 2Zr: C, 65.59; H, 4.43; N, 1.33. Found: C, 65.41; H, 4.43; N, 1.33.
24. 3; Z = 4 with two independent, chemically equivalent molecules in the unit cell; final R indices (I > 2σ(I)) R1 = 0.0645, wR2 = 0.1734 for 19 571 independent reflections.
25. -1.