Reaction of vinyl chloride with a prototypical metallocene catalyst: Stoichiometric insertion and β-Cl elimination reactions with rac-(EBI)ZrMe+ and catalytic dechlorination/oligomerization to oligopropylene by rac- (EBI)ZrmE2/MAO [15]

Journal of the American Chemical Society

Volumn 122, Issue 26, 2000, Pages 6315-6316

  Stockland Jr , Robert A ^a   Jordan, Richard F ^a  

^a UNIVERSITY OF CHICAGO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ORGANOMETALLIC COMPOUND; PROPYLENE; VINYL CHLORIDE; ZIRCONIUM DERIVATIVE;

CATALYSIS; CATALYST; CHEMICAL MODIFICATION; CHEMICAL REACTION; COMPLEX FORMATION; DECHLORINATION; LETTER; OLIGOMERIZATION; POLYMERIZATION; REACTION ANALYSIS; STOICHIOMETRY;

EID: 0343081689     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja000939k     Document Type: Letter

References (22)

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3. (c) Kiyoshi, E.; Saitoh, M. Prepr. 7th SPSJ International Polymer Conference, Yokohama, Japan, October 26, 1999; paper 27A06.
4. The free radical polymerization of VC initiated by group 4 metallocenes under photochemical conditions has been reported: Nagy, S. M.; Krishnamurti, R.; Cocoman, M. K.; Opalinski, W. M.; Smolka, T. F. World Patent WO 9923124 A1 (Occidental Chemical); Chem. Abstr. 1999, 130, 338530.
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8. 3 to generate cationic metal alkyl species: Yang, X.; Stern, C. L.; Marks, T. J. J. Am. Chem. Soc. 1994, 116, 10015.
9. (b) Generation of 1: Dagorne, S.; Rodewald, S.; Jordan, R. F. Organometallics 1997, 16, 5541.
10. 3, the precursors of 1, reacts with VC under these conditions.
11. (a) Cheng, H. N. Macromol. Symp. 1994, 86, 77.
12. 1H NMR assuming one unsaturated end group per chain.
13. 3 region, J in Hz) major isomer, δ 6.82 (d, J = 3, 1H), 6.48 (d, 7 = 3, 1H), 6.10 (d, J = 3, 1H), 5.91 (d, J = 3, 1H); minor isomer, 6.78 (d, J = 3, 1H), 6.38 (d, J = 3, 1H), 6.32 (d, J = 3, 1H), 5.96 (d, J = 3, 1H).
14. 3Bn]Cl to a mixture of 4 and 2 results in complete conversion to 3.
15. Brintzinger, H. H. In Ziegler Catalysts; Fink, G., Mulhaupt, R., Brintzinger, H. H., Eds.; Springer-Verlag: New York, 1995; p 181.
16. Bochmann, M.; Lancaster, S. J. Angew. Chem., Int. Ed. Engl. 1994, 33, 1634.
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18. (b) Busico, V.; Cipullo, R. J. Am. Chem. Soc. 1994, 116, 9329.
19. 3, and oligopropylene; in this case the chloride in 3 must derive from VC.
20. - anion is unchanged.
21. 13C NMR.
22. Burger, B. J.; Thompson, M. E.; Cotter, W. D.; Bercaw, J. E. J. Am. Chem. Soc. 1990, 112, 1566.