Chelate-Controlled Synthesis of rac- and meso-Me2Si(3- tBu-C5H3)2ZrCl2

Organometallics

Volumn 22, Issue 26, 2003, Pages 5498-5503

  LoCoco, Matthew D ^a   Jordan, Richard F ^a  

^a UNIVERSITY OF CHICAGO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DIASTEREOSELECTIVITY; PHOTOCHEMICAL ISOMERIZATION;

CHELATION; HYDROCHLORIC ACID; IONS; LITHIUM COMPOUNDS; NUCLEAR MAGNETIC RESONANCE; REACTION KINETICS; STEREOCHEMISTRY; SYNTHESIS (CHEMICAL); X RAY CRYSTALLOGRAPHY; ZIRCONIUM COMPOUNDS;

ORGANOMETALLICS;

EID: 0346937523     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om034184c     Document Type: Article

References (35)

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6. 3) liganda see: (d) Sutton, S. C.; Nantz, M. H.; Parkin, S. R. Organometallics 1993, 12, 2248. (e) Collins, S.; Hong, Y.; Taylor, N. J. Organometallics 1990, 9, 2695. (f) Chen, Z.; Halterman, R.L. Organometallics 1994, 13, 3932. (g) Schnutenhaus, H.; Brintzinger, H. H. Angew. Chem., Int. Ed. Engl. 1979, 18, 777. (h) Kuntz B. J.; Ramachandran, R.; Taylor N. J.; Guan, J.; Collins, S. J. Organomet. Chem. 1995, 497, 133.
7. 3) liganda see: (d) Sutton, S. C.; Nantz, M. H.; Parkin, S. R. Organometallics 1993, 12, 2248. (e) Collins, S.; Hong, Y.; Taylor, N. J. Organometallics 1990, 9, 2695. (f) Chen, Z.; Halterman, R.L. Organometallics 1994, 13, 3932. (g) Schnutenhaus, H.; Brintzinger, H. H. Angew. Chem., Int. Ed. Engl. 1979, 18, 777. (h) Kuntz B. J.; Ramachandran, R.; Taylor N. J.; Guan, J.; Collins, S. J. Organomet. Chem. 1995, 497, 133.
8. 3) liganda see: (d) Sutton, S. C.; Nantz, M. H.; Parkin, S. R. Organometallics 1993, 12, 2248. (e) Collins, S.; Hong, Y.; Taylor, N. J. Organometallics 1990, 9, 2695. (f) Chen, Z.; Halterman, R.L. Organometallics 1994, 13, 3932. (g) Schnutenhaus, H.; Brintzinger, H. H. Angew. Chem., Int. Ed. Engl. 1979, 18, 777. (h) Kuntz B. J.; Ramachandran, R.; Taylor N. J.; Guan, J.; Collins, S. J. Organomet. Chem. 1995, 497, 133.
9. 3) liganda see: (d) Sutton, S. C.; Nantz, M. H.; Parkin, S. R. Organometallics 1993, 12, 2248. (e) Collins, S.; Hong, Y.; Taylor, N. J. Organometallics 1990, 9, 2695. (f) Chen, Z.; Halterman, R.L. Organometallics 1994, 13, 3932. (g) Schnutenhaus, H.; Brintzinger, H. H. Angew. Chem., Int. Ed. Engl. 1979, 18, 777. (h) Kuntz B. J.; Ramachandran, R.; Taylor N. J.; Guan, J.; Collins, S. J. Organomet. Chem. 1995, 497, 133.
10. 3) liganda see: (d) Sutton, S. C.; Nantz, M. H.; Parkin, S. R. Organometallics 1993, 12, 2248. (e) Collins, S.; Hong, Y.; Taylor, N. J. Organometallics 1990, 9, 2695. (f) Chen, Z.; Halterman, R.L. Organometallics 1994, 13, 3932. (g) Schnutenhaus, H.; Brintzinger, H. H. Angew. Chem., Int. Ed. Engl. 1979, 18, 777. (h) Kuntz B. J.; Ramachandran, R.; Taylor N. J.; Guan, J.; Collins, S. J. Organomet. Chem. 1995, 497, 133.
11. 3) liganda see: (d) Sutton, S. C.; Nantz, M. H.; Parkin, S. R. Organometallics 1993, 12, 2248. (e) Collins, S.; Hong, Y.; Taylor, N. J. Organometallics 1990, 9, 2695. (f) Chen, Z.; Halterman, R.L. Organometallics 1994, 13, 3932. (g) Schnutenhaus, H.; Brintzinger, H. H. Angew. Chem., Int. Ed. Engl. 1979, 18, 777. (h) Kuntz B. J.; Ramachandran, R.; Taylor N. J.; Guan, J.; Collins, S. J. Organomet. Chem. 1995, 497, 133.
12. 3) liganda see: (d) Sutton, S. C.; Nantz, M. H.; Parkin, S. R. Organometallics 1993, 12, 2248. (e) Collins, S.; Hong, Y.; Taylor, N. J. Organometallics 1990, 9, 2695. (f) Chen, Z.; Halterman, R.L. Organometallics 1994, 13, 3932. (g) Schnutenhaus, H.; Brintzinger, H. H. Angew. Chem., Int. Ed. Engl. 1979, 18, 777. (h) Kuntz B. J.; Ramachandran, R.; Taylor N. J.; Guan, J.; Collins, S. J. Organomet. Chem. 1995, 497, 133.
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19. (b) LoCooo, M. D.; Jordan, R. F. Abstracts of Papers, 225th ACS National Meeting, New Orleans, LA, March 23-27, 2003, INOR-723.
20. 2, EBI = 1,2-bis(indenyl)-ethane.
21. 7a,b
22. b (a) Erikson, M. S.; Fronczek, F. R.; McLaughlin, M. L. J. Organomet. Chem. 1991, 415, 75. (b) Damrau, H.-R.; Royo, E.; Obert, S.; Schaper, F.; Weeber, A.; Brintzinger, H.-H. Organometallics 2001, 20, 5258.
23. b (a) Erikson, M. S.; Fronczek, F. R.; McLaughlin, M. L. J. Organomet. Chem. 1991, 415, 75. (b) Damrau, H.-R.; Royo, E.; Obert, S.; Schaper, F.; Weeber, A.; Brintzinger, H.-H. Organometallics 2001, 20, 5258.
24. Close contacts (Å): H(24C)- -H(9B) 2.30, H(9A)- -H(31A) 2.43, H(32C)- -H(8A) 2.20, H(23A)- -H(7A) 2.13, C(10)- -H(24C) 2.75.
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26. (b) Burger, P.; Hortman, K.; Brintzinger, H. H. Makromol. Chem., Macromol. Symp. 1993, 66, 127.
27. Chirik, P. J.; Henling, L. M.; Bercaw, J. E. Organometallics 2001, 20, 534.
28. Close H-H contacts (̊A): H(15)- -H(29) 2.26, H(15)- -H(16) 2.47, H(15)- -H(34A) 2.40.
29. (a) Freidrich, S.; Gade, L. H.; Scowen, I. J.; McPartlin, M. Organometallics 1995, 14, 5344.
30. (b) Freidrich, S.; Gade, L. H.; Trosch, D. J. M.; Scowen, I. J.; McPartlin, M. Inorg. Chem. 1999, 38, 5295.
31. (a) Deviations (Å) of C and Si atoms from the N(1)-Zr-N(2) plane: Si(2) 0.88, C(11) - 0.87, C(12) 0.10, C(13) 0.71, Si(1) -0.61.
32. 3} chelate ring in rac-6 is similar to that in 4; see ref 13b.
33. tBu groups from the Cp planes, and the trend in Zr-C(Cp) distances in roc-6 are similar to the data for meso-3. The angle between the C(2)-C(3) and C(10)-C(9) bond vectors is 9.9°.
34. For other examples of the use of hexamethyldisiloxane as a recrystallization solvent see: (a) Kloppenburg, L.; Petersen, J. L. Polyhedron 1995, 14, 69. (b) Strauch, J. W.; Petersen, J. L. Organometallics 2001, 20, 2623.
35. For other examples of the use of hexamethyldisiloxane as a recrystallization solvent see: (a) Kloppenburg, L.; Petersen, J. L. Polyhedron 1995, 14, 69. (b) Strauch, J. W.; Petersen, J. L. Organometallics 2001, 20, 2623.