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1H and 2H NMR Spectroscopic Study of the Ion Pairs Formed upon the Activation of Vanadium(III) α-Diimine pre-Catalyst with AlMe3/[Ph3C][B(C6F5)4] and MAO Full article

Общее Language: Английский, Genre: Full article,
Status: Published, Source type: Original
Journal Journal of Molecular Catalysis A: Chemical
ISSN: 1381-1169
Output data Year: 2016, Volume: 423, Pages: 333-338 Pages count : 6 DOI: 10.1016/j.molcata.2016.07.027
Tags Homogeneous ethylene polymerization, Ion pairs, NMR of the paramagnetic molecules, Post-metallocene, α-diimine vanadium(III) chloride
Authors Soshnikov Igor E. 1,2 , Semikolenova Nina V. 1 , Bryliakov Konstantin P. 1,2 , Zakharov Vladimir A. 1,2 , Talsi Evgenii P. 1,2
Affiliations
1 Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russian Federation
2 Novosibirsk State University, 630090, Novosibirsk, Russian Federation

Funding (2)

1 Russian Foundation for Basic Research 16-53-53014
2 Russian Foundation for Basic Research 16-03-00236

Abstract: 1H and 2H NMR spectroscopic characterization of the V(III) ion-pair intermediates formed upon the activation of α-diimine vanadium(III) chloride L3,5−MeVIIICl3(THF) (L3,5−Me = 1,4-bis-3,5-dimethylphenyl-2,3-dimethyl-1,4-diazabuta-1,3-diene) with AlMe3/[Ph3C][B(C6F5)]4 and MAO is reported. In contrast to previously reported heterobinuclear ion pairs of the type [L1(R)VIII(μ-R)2AlMe2]+[A]− (L1 = bis(imino)pyridine ligand, [A]− = [B(C6F5)4]− or [MeMAO]−, R = Me or Cl), species of the type [L3,5−MeVMe2(THF)2]+[B(C6F5)4]−, [L3,5−MeVMe2(THF)2]+[MeMAO]− and [L3,5−MeVMe2+⟵MeMAO−] were identified.
Cite: Soshnikov I.E. , Semikolenova N.V. , Bryliakov K.P. , Zakharov V.A. , Talsi E.P.
1H and 2H NMR Spectroscopic Study of the Ion Pairs Formed upon the Activation of Vanadium(III) α-Diimine pre-Catalyst with AlMe3/[Ph3C][B(C6F5)4] and MAO
Journal of Molecular Catalysis A: Chemical. 2016. V.423. P.333-338. DOI: 10.1016/j.molcata.2016.07.027 publication_identifier_short.wos_identifier_type publication_identifier_short.scopus_identifier_type publication_identifier_short.rinz_identifier_type
Dates:
Submitted: May 24, 2016
Accepted: Jul 14, 2016
Published online: Jul 16, 2016
Published print: Nov 1, 2016
Identifiers:
publication_identifier.wos_identifier_type WOS:000383827600038
publication_identifier.scopus_identifier_type 2-s2.0-84978731067
publication_identifier.rinz_identifier_type 27075684
publication_identifier.accession_number_identifier_type 2016:1246729
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