Coordination polymerization of ethylene in water by Pd(II) and Ni(II) catalysts

Chemical Communications

Volumn , Issue 4, 2000, Pages 301-302

  Held, Anke ^a   Bauers, Florian M ^a   Mecking, Stefan ^a  

^a Freiburger Materialforschungszentrum   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ETHYLENE; NICKEL; PALLADIUM; POLYMER; WATER;

AQUEOUS SOLUTION; ARTICLE; CATALYSIS; CATALYST; POLYMERIZATION; REACTION ANALYSIS;

EID: 0034696104     PISSN: 13597345     EISSN: None     Source Type: Journal    
DOI: 10.1039/a908633a     Document Type: Article

References (36)

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20. A much larger variety of ligands is applicable for the particular case of palladium-catalyzed alternating olefin-carbon monoxide copolymerization as the involvement of CO can reduce the propensity for chain transfer: E. Drent and P. H. M. Budzelaar, Chem. Rev., 1996, 96, 663; A. Sen, Ace. Chem. Res., 1993, 26, 303. Alternating olefin-CO copolymerization in aqueous media: Z. Jiang and A. Sen, Macromolecules, 1994, 27, 7215; G. Verspui, G. Papadogianakis and R. A. Sheldon, Chem. Commun., 1998, 401; C. Bianchini, H. Man Lee, A. Meli, S. Moneti, V. Patinec, G. Petrucci and F. Vizza, Macromolecules, 1999, 32, 3859.
21. A much larger variety of ligands is applicable for the particular case of palladium-catalyzed alternating olefin-carbon monoxide copolymerization as the involvement of CO can reduce the propensity for chain transfer: E. Drent and P. H. M. Budzelaar, Chem. Rev., 1996, 96, 663; A. Sen, Ace. Chem. Res., 1993, 26, 303. Alternating olefin-CO copolymerization in aqueous media: Z. Jiang and A. Sen, Macromolecules, 1994, 27, 7215; G. Verspui, G. Papadogianakis and R. A. Sheldon, Chem. Commun., 1998, 401; C. Bianchini, H. Man Lee, A. Meli, S. Moneti, V. Patinec, G. Petrucci and F. Vizza, Macromolecules, 1999, 32, 3859.
22. A much larger variety of ligands is applicable for the particular case of palladium-catalyzed alternating olefin-carbon monoxide copolymerization as the involvement of CO can reduce the propensity for chain transfer: E. Drent and P. H. M. Budzelaar, Chem. Rev., 1996, 96, 663; A. Sen, Ace. Chem. Res., 1993, 26, 303. Alternating olefin-CO copolymerization in aqueous media: Z. Jiang and A. Sen, Macromolecules, 1994, 27, 7215; G. Verspui, G. Papadogianakis and R. A. Sheldon, Chem. Commun., 1998, 401; C. Bianchini, H. Man Lee, A. Meli, S. Moneti, V. Patinec, G. Petrucci and F. Vizza, Macromolecules, 1999, 32, 3859.
23. A much larger variety of ligands is applicable for the particular case of palladium-catalyzed alternating olefin-carbon monoxide copolymerization as the involvement of CO can reduce the propensity for chain transfer: E. Drent and P. H. M. Budzelaar, Chem. Rev., 1996, 96, 663; A. Sen, Ace. Chem. Res., 1993, 26, 303. Alternating olefin-CO copolymerization in aqueous media: Z. Jiang and A. Sen, Macromolecules, 1994, 27, 7215; G. Verspui, G. Papadogianakis and R. A. Sheldon, Chem. Commun., 1998, 401; C. Bianchini, H. Man Lee, A. Meli, S. Moneti, V. Patinec, G. Petrucci and F. Vizza, Macromolecules, 1999, 32, 3859.
24. A much larger variety of ligands is applicable for the particular case of palladium-catalyzed alternating olefin-carbon monoxide copolymerization as the involvement of CO can reduce the propensity for chain transfer: E. Drent and P. H. M. Budzelaar, Chem. Rev., 1996, 96, 663; A. Sen, Ace. Chem. Res., 1993, 26, 303. Alternating olefin-CO copolymerization in aqueous media: Z. Jiang and A. Sen, Macromolecules, 1994, 27, 7215; G. Verspui, G. Papadogianakis and R. A. Sheldon, Chem. Commun., 1998, 401; C. Bianchini, H. Man Lee, A. Meli, S. Moneti, V. Patinec, G. Petrucci and F. Vizza, Macromolecules, 1999, 32, 3859.
25. Tolerance of the palladium diimine complexes towards moisture has previously been noted, ref. 4b,c.
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29. 2), 2.18 [s, 6H, N=C(Me)C(Me)=N], 1.32, 1.26, 1.15 and 1.10 (d, J 7 Hz, 6H; CHMeMe′ and C′HMeMe′), 0.26 (s, 3H, PdMe).
30. 3 complex in hexane suspension cf. ref. 3b.
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32. 3].
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35. Polymerization in the presence of 'up to 100 eq.' of water/Ni for a neutral nickel complex with a chelating N,O-ligand has recently been claimed: D. A. Bansleben, S. Friedrich, T. R. Younkin, R. H. Grubbs, C. Wang and R. T. Li (W. R. Grace), WO 98/42664, 1998.
36. The broad molecular weight distributions observed in entries 11 and 12 are in agreement with previous studies: ref. 3d.