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Volumn 128, Issue 25, 2006, Pages 8162-8175

Nonchelated d0 zirconium-alkoxide-alkene complexes

Author keywords

[No Author keywords available]

Indexed keywords

CHELATION; COMPLEXATION; LOW TEMPERATURE EFFECTS; REACTION KINETICS; SOLUBILITY; ZIRCONIUM COMPOUNDS;

EID: 33745676529     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja0575225     Document Type: Article
Times cited : (57)

References (178)
  • 22
    • 33745665133 scopus 로고    scopus 로고
    • note
    • (a) Back-bonding from a metal-ligand bonding orbital is possible.
  • 81
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    • Eur. Patent EP0277004, 1988
    • (d) Turner, H. W. Eur. Patent EP0277004, 1988.
    • Turner, H.W.1
  • 86
    • 33745677297 scopus 로고    scopus 로고
    • note
    • -1.
  • 93
    • 33745637303 scopus 로고    scopus 로고
    • note
    • 5Cl at 22 °C.
  • 94
    • 33745654816 scopus 로고    scopus 로고
    • note
    • 5Cl.
  • 113
    • 33745668739 scopus 로고    scopus 로고
    • note
    • + is the oxidant.
  • 114
    • 33745676868 scopus 로고    scopus 로고
    • note
    • To date, NOESY spectra have not enabled clarification of this issue.
  • 115
    • 33745670475 scopus 로고    scopus 로고
    • note
    • 1H NMR Cp′Me resonances of 12b-h often overlap.
  • 116
    • 0000694603 scopus 로고
    • + alkoxymetallocyclobutane complexes, can be safely rejected. Related neutral azametallocyclobutane complexes formed by alkene addition to Zr-imido species exhibit very large upfield coordination shifts for the "alkene" resonances, and much higher "metal-alkene" rotation barriers. Walsh, P. J.; Hollander, F. J.; Bergman, R. G. Organometallics 1993, 12, 3705.
    • (1993) Organometallics , vol.12 , pp. 3705
    • Walsh, P.J.1    Hollander, F.J.2    Bergman, R.G.3
  • 126
    • 0031548252 scopus 로고    scopus 로고
    • allylic hydrogens are exchanged by nondissociative alkene face exchange. This process has been invoked to explain trans-1,3-enchainment in Zr-catalyzed cyclopentene polymerization. Kelly, W. M.; Wang, S.; Collins, S. Macromolecules 1997, 30, 3151.
    • (1997) Macromolecules , vol.30 , pp. 3151
    • Kelly, W.M.1    Wang, S.2    Collins, S.3
  • 127
    • 33745639293 scopus 로고    scopus 로고
    • note
    • 2] ≈ 5.5 eu.
  • 128
    • 33745663833 scopus 로고    scopus 로고
    • note
    • 4 or 6 under these conditions.
  • 131
    • 33745669987 scopus 로고    scopus 로고
    • Adept Scientific: Letchworth, U.K.
    • gNMR, v. 4.1.2; Adept Scientific: Letchworth, U.K., 2000.
    • (2000) gNMR, V. 4.1.2
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    • 33745676411 scopus 로고    scopus 로고
    • note
    • 46
  • 135
    • 33745672816 scopus 로고    scopus 로고
    • note
    • + species are probably precluded by O-Zr η-bonding.
  • 137
    • 33745667825 scopus 로고    scopus 로고
    • note
    • The pendant vinyl group of the 1.5-hexadiene may not be able to wrap around correctly to displace the bound vinyl group.
  • 159
  • 177
    • 33745661733 scopus 로고    scopus 로고
    • note
    • 4]. Control experiments showed that this contaminant does not influence alkene coordination to 6.
  • 178
    • 33745661499 scopus 로고    scopus 로고
    • note
    • 2.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.