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Volumn 22, Issue 26, 2003, Pages 5392-5405

Catalytic Linear Oligomerization of Ethylene to Higher α-Olefins: Insight into the Origin of the Selective Generation of 1-Hexene Promoted by a Cationic Cyclopentadienyl-Arene Titanium Active Catalyst

Author keywords

[No Author keywords available]

Indexed keywords

CATALYSTS; DECOMPOSITION; ETHYLENE; POLYMERIZATION; REACTION KINETICS; THERMODYNAMIC PROPERTIES; TITANIUM; X RAY ANALYSIS;

EID: 0346937631     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om0341247     Document Type: Article
Times cited : (94)

References (61)
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    • (1986) The Chemistry of the Metal-carbon Bond , vol.3 , pp. 205
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    • note
    • (c) The actual reaction conditions for the selective trimerization of ethylene to 1-hexene are: 30 °C, ethylene pressure 5 bar, toluene as solvent
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    • note
    • (d) The products of olefin trimerization are formed in 97% selectivity, comprising 83% 1-hexene and 14% 1-hexene/ethylene cooligomers.
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    • note
    • IV-hydride intermediate, which is envisioned to be involved along the stepwise process.
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    • (1986) Phys. Rev. , vol.B33 , pp. 8822
    • Perdew, J.P.1
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    • (1986) Phys. Rev. B , vol.34 , pp. 7406
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    • TURBOMOLE basis set library
    • TURBOMOLE basis set library.
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    • note
    • 5-Cp-Ti moiety will be discussed in the following sections.
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    • (b) For facile ring slippage processes, see for instance: O'Connor, J. M.; Casey, C. P. Chem. Rev. 1987, 87, 307.
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    • note
    • 6 process to the right.
  • 55
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    • note
    • (a) The smaller thermodynamic force connected with the formation of 9C can be rationalized from the fact that the nine-membered ring represents the least favorable medium-sized ring.
  • 57
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    • note
    • For the process to commence from different titana(IV)cycle precursors, only one of the two alternative reaction paths has been able to be characterized computationally (cf. ref 15).
  • 58
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    • note
    • IV-alkenyl-hydrido intermediate.
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    • note
    • 10-co-trimer products, with 5-methylnon-1-ene in particular, are formed as minor products as well, which, however, are not considered in the present study (cf. ref 13d).
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    • note
    • This could be accomplished by the retardation of the β-H transfer and/or acceleration of the metallacycle growth, e.g., by increasing the ethylene pressure.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.