Sciact
  • EN
  • RU

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

Журнал Catalysts
ISSN: 2073-4344
Вых. Данные Год: 2023, Том: 13, Номер: 2, Номер статьи : 333, Страниц : 13 DOI: 10.3390/catal13020333
Ключевые слова α-diimine; nickel; trimethylaluminum; NMR; ethylene polymerization; active species; DFT calculations
Авторы Soshnikov Igor E. 1 , Semikolenova Nina V. 1 , Bryliakova Anna A. 1,2 , Antonov Artem A. 1 , Bryliakov Konstantin P. 1 , Talsi Evgenii P. 1
Организации
1 Boreskov Institute of Catalysis, Pr. Lavrentieva 5, 630090 Novosibirsk, Russia
2 Department of Natural Sciences, Novosibirsk State University, Pirogova 1, 630090 Novosibirsk, Russia

Информация о финансировании (1)

1 Российский научный фонд 22-23-00048

Реферат: 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.
Библиографическая ссылка: Soshnikov I.E. , Semikolenova N.V. , Bryliakova A.A. , Antonov A.A. , Bryliakov K.P. , Talsi E.P.
New Ni(II)-Ni(II) Dinuclear Complex, a Resting State of the (α-diimine)NiBr2/AlMe3 Catalyst System for Ethylene Polymerization
Catalysts. 2023. V.13. N2. 333 :1-13. DOI: 10.3390/catal13020333 WOS Scopus РИНЦ CAPlus OpenAlex
Даты:
Поступила в редакцию: 19 дек. 2022 г.
Принята к публикации: 31 янв. 2023 г.
Опубликована в печати: 2 февр. 2023 г.
Опубликована online: 2 февр. 2023 г.
Идентификаторы БД:
Web of science: WOS:000945110400001
Scopus: 2-s2.0-85148912917
РИНЦ: 54787559
Chemical Abstracts: 2023:433269
OpenAlex: W4319000890
Цитирование в БД:
БД Цитирований
Scopus 1
Web of science 1
OpenAlex 1
Альметрики: