Preparation of doubly-silylene-bridged zirconocene alkyl complexes, (Me2Si)2{η5-C5H 2-4-CHMe2}{η5-C5H-3,5-(CHMe 2)2}ZrR2(R = CH3, CH2Ph) and investigations of their activity in 1-pentene polymerization.

Inorganica Chimica Acta

Volumn 280, Issue 1-2, 1998, Pages 226-232

  Veghini, Dario ^a   Day, Michael W ^a   Bercaw, John E ^a  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Alkyl complexes; Crystal structures; Silylene bridged complexes; Ziegler Natta polymerization; Zirconocene complexes

Indexed keywords

CATALYSTS; CRYSTAL STRUCTURE; MOLECULAR WEIGHT DISTRIBUTION; POLYMERIZATION; SILICON; SINGLE CRYSTALS; TEMPERATURE; ZIRCONIUM COMPOUNDS;

ALKYL COMPLEXES; BROAD MOLECULAR WEIGHT DISTRIBUTION; CATALYZED POLYMERIZATION; NARROW MOLECULAR WEIGHT DISTRIBUTIONS; SILYLENES; SINGLE CRYSTAL X-RAY DIFFRACTION METHOD; ZIEGLER NATTA POLYMERIZATION; ZIRCONOCENE COMPLEXES;

SYNTHESIS (CHEMICAL);

EID: 0000208492     PISSN: 00201693     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0020-1693(98)00061-9     Document Type: Article

References (47)

1. (a) A. Andresen, H.G. Crodes, J. Herwig, W. Kaminsky, A. Merck, R. Mottweiler, J. Pein, H. Sinn, H.J. Vollmer, Angew. Chem., Int. Ed. Engl. 15 (1976) 630;
2. (b) H. Sinn, W. Kaminsky, H.J. Vollmer, R. Woldt, Angew. Chem., Int. Ed. Engl. 19 (1980) 396.
3. Reviews: (a) H.H. Brintzinger, D. Fischer, R. Mülhaupt, B. Rieger, R.M. Waymouth, Angew. Chem., Int. Ed. Engl. 34 (1995) 1143;
4. (b) A. Horton, TRIP 2 (5) (1994) 158;
5. (c) M. Bochmann, J. Chem. Soc., Dalton Trans. (1996) 255;
6. (d) G. Fink, R. Mülhaupt, H.H. Brintzinger (eds.), Ziegler Catalysis, Recent Scientific Innovation and Technological Improvements, Springer, Berlin, 1995;
7. (e) R. Mülhaupt, B. Rieger, Chimia 50 (1996) 10;
8. (f) W. Kaminsky, Macromol. Chem. Phys. 197 (1996) 3907;
9. (g) P.C. Möhring, N.J. Coville, J. Organomet. Chem. 479 (1994) 1.
10. (a) G.G. Hlatky, H.W. Turner, R.R. Eckman, J. Am. Chem. Soc. 111 (1989) 2728;
11. (b) H.W. Turner, European Patent Application No. 277 004 (1988);
12. (c) J.C.W. Chien, W.-M. Tsai, M.D. Rausch, J. Am. Chem. Soc. 113 (1991) 8570;
13. (d) X. Yang, CL. Stern, T.J. Marks, J. Am. Chem. Soc. 113 (1991) 3623;
14. (e) J. Am. Chem. Soc. 116 (1994) 10015;
15. (f) P.A. Deck, T.J. Marks, J. Am. Chem. Soc. 117 (1995) 6128;
16. (g) A. Razavi, U. Thewalt, J. Organomet. Chem. 445 (1993) 111; see also:
17. (h) R.F. Jordan, Adv. Organomet. Chem. 32 (1991) 325;
18. (i) T.J. Marks, Acc. Chem. Res. 25 (1992) 57.
19. (a) M. Bochmann, S. Lancaster, Organometallics 12 (1993) 633;
20. (b) Makromol. Chem., Rapid Commun. 14 (1993) 807;
21. (c) M. Bochmann, S. Lancaster, M.B. Hursthouse, K.M.A. Malik, Organometallics 13 (1994) 2235.
22. For some recent examples see: (a) Y.X. Chen, C.L. Stem, T.J. Marks, J. Am. Chem. Soc. 119 (1997) 2582;
23. (b) L. Lia, X.M. Yang, C.L. Stem, T.J. Marks, Organometallics, 16 (1997) 842;
24. (c) Y.X. Chen, C.L. Stern, S.T. Yang, T.J. Marks, J. Am. Chem. Soc. 18 (1996) 12 451;
25. (d) L. Lia, X. Yang, A. Ishihara, T.J. Marks, Organometallics, 14 (1995) 3135.
26. (a) T.A. Herzog, D.L. Zubris, J.E. Bercaw, J. Am. Chem. Soc. 118 (1996) 11 988;
27. (b) L.M. Henling, T.A. Herzog, J.E. Bercaw, Acta Crystallogr., Sect. C 52 (1996) in press.
28. B.J. Burger, J.E. Bercaw, in A.L. Wayda, M.Y. Darensbourg (eds.), Experimental Organometallic Chemistry, ACS Symposium Series, Vol. 357, American Chemical Society, Washington, DC, 1987, Ch. 4.
29. A.G. Mossey, A.J. Park, J. Organomet. Chem. 5 (1966) 218.
30. J.C.W. Chien, W.-M. Tsai, M. Rausch, J. Am. Chem. Soc. 113 (1991) 8570.
31. M. Schlosser, J. Organomet. Chem. 8 (1967) 9.
32. G.M. Sheldrick, Acta Crystallogr., Sect. A 46 (1990) 467.
33. G.M. Sheldrick, SHELXL-93, program for structural refinement, University of Göttingen, Göttingen, Germany, 1993.
34. (a) G.M. Diamond, R.F. Jordan, J.L. Petersen, Organometallics 15 (1996) 4045;
35. (b) J.N. Christopher, G.M. Diamond, R.F. Jordan, J.L. Petersen, Organometallics 15 (1996) 4038;
36. (c) G.M. Diamond, R.F. Jordan, J.L. Petersen, Organometallics 15 (1996) 4030;
37. (d) J. Am. Chem. Soc. 118 (1996) 8024;
38. (e) G.M. Diamond, S. Rodewald, R.F. Jordan, Organometallics 14 (1995) 5.
39. J. Hiermeier, F.H. Köhler, G. Müller, Organometallics 10 (1991) 1787.
40. D. Veghini, L.M. Henling, T.J. Burkhardt, J.E. Bercaw, to be submitted.
41. (a) A.K. Hughes, A. Meetsma, J.H. Teuben, Organometallics 12 (1993) 1936, and Refs. therein; for an example of a Nb(V) complex see:
42. (b) M. Etienne, R. Mathieu, B. Donnadieu, J. Am. Chem. Soc. 119 (1997) 3218.
43. For closely related doubly-bridged Zr complexes see: (a) A. Cano, T. Cuenca, P. Gomez-Sal, B. Royo, P. Royo, Organometallics 13 (1994) 1688;
44. (b) W. Mengele, J. Dieblod, C. Troll, W. Röll, H.H. Brintzinger, Organometallics 12 (1993) 1932;
45. (c) A.R. Bulls, Ph.D. Thesis, California Institute of Technology, Pasadena, 1990;
46. (d) P. Royo, New J. Chem. 21 (1997) 791.
47. T. Asakura, M. Demura, Y. Nishiyama, Macromolecules 24 (1991) 2334.