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New Ni(II)-Ni(II) Dinuclear Complex, a Resting State of the (α-diimine)NiBr2/AlMe3 Catalyst System for Ethylene Polymerization. / Soshnikov, Igor E.; Semikolenova, Nina V.; Bryliakova, Anna A. и др.

в: Catalysts, Том 13, № 2, 333, 02.2023.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{92b4fbd0d2d54b28950441fa9d97cf38,
title = "New Ni(II)-Ni(II) Dinuclear Complex, a Resting State of the (α-diimine)NiBr2/AlMe3 Catalyst System for Ethylene Polymerization",
abstract = "A novel room-temperature stable diamagnetic nickel complex 2 was detected upon activation of Brookhart-type ethylene polymerization pre-catalyst LNiBr2 (1, L = 1,4-bis-2,4,6-trimethylphenyl-2,3-dimethyl-1,4-diazabuta-1,3-diene) with AlMe3. Using in situ 1H, 2H, and 13C NMR spectroscopy, as well as DFT calculations, this species has been identified as an antiferromagnetically coupled homodinuclear complex [LNiII(μ-Me)(μ-CH2)NiIIL]+Br−. Its behavior in the reaction solution is characteristic of the resting state of nickel catalyzed ethylene polymerization.",
keywords = "DFT calculations, NMR, active species, ethylene polymerization, nickel, trimethylaluminum, α-diimine",
author = "Soshnikov, {Igor E.} and Semikolenova, {Nina V.} and Bryliakova, {Anna A.} and Antonov, {Artem A.} and Bryliakov, {Konstantin P.} and Talsi, {Evgenii P.}",
note = "This work was supported by the Russian Science Foundation, grant number # 22-23-00048. Публикация для корректировки.",
year = "2023",
month = feb,
doi = "10.3390/catal13020333",
language = "English",
volume = "13",
journal = "Catalysts",
issn = "2073-4344",
publisher = "MDPI AG",
number = "2",

}

RIS

TY - JOUR

T1 - New Ni(II)-Ni(II) Dinuclear Complex, a Resting State of the (α-diimine)NiBr2/AlMe3 Catalyst System for Ethylene Polymerization

AU - Soshnikov, Igor E.

AU - Semikolenova, Nina V.

AU - Bryliakova, Anna A.

AU - Antonov, Artem A.

AU - Bryliakov, Konstantin P.

AU - Talsi, Evgenii P.

N1 - This work was supported by the Russian Science Foundation, grant number # 22-23-00048. Публикация для корректировки.

PY - 2023/2

Y1 - 2023/2

N2 - A novel room-temperature stable diamagnetic nickel complex 2 was detected upon activation of Brookhart-type ethylene polymerization pre-catalyst LNiBr2 (1, L = 1,4-bis-2,4,6-trimethylphenyl-2,3-dimethyl-1,4-diazabuta-1,3-diene) with AlMe3. Using in situ 1H, 2H, and 13C NMR spectroscopy, as well as DFT calculations, this species has been identified as an antiferromagnetically coupled homodinuclear complex [LNiII(μ-Me)(μ-CH2)NiIIL]+Br−. Its behavior in the reaction solution is characteristic of the resting state of nickel catalyzed ethylene polymerization.

AB - A novel room-temperature stable diamagnetic nickel complex 2 was detected upon activation of Brookhart-type ethylene polymerization pre-catalyst LNiBr2 (1, L = 1,4-bis-2,4,6-trimethylphenyl-2,3-dimethyl-1,4-diazabuta-1,3-diene) with AlMe3. Using in situ 1H, 2H, and 13C NMR spectroscopy, as well as DFT calculations, this species has been identified as an antiferromagnetically coupled homodinuclear complex [LNiII(μ-Me)(μ-CH2)NiIIL]+Br−. Its behavior in the reaction solution is characteristic of the resting state of nickel catalyzed ethylene polymerization.

KW - DFT calculations

KW - NMR

KW - active species

KW - ethylene polymerization

KW - nickel

KW - trimethylaluminum

KW - α-diimine

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85148912917&origin=inward&txGid=4857459a3d00032008ffaf46d88436ac

UR - https://elibrary.ru/item.asp?id=54787559

UR - https://www.mendeley.com/catalogue/92b7236b-aabb-38e6-a95f-32ce7cd4bf08/

U2 - 10.3390/catal13020333

DO - 10.3390/catal13020333

M3 - Article

VL - 13

JO - Catalysts

JF - Catalysts

SN - 2073-4344

IS - 2

M1 - 333

ER -

ID: 59197016