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1H and 13C NMR Spectroscopic Study of Titanium(IV) Species Formed by Activation of Cp2TiCl2 and [(Me4C5)SiMe2NtBu]TiCl2 with Methylaluminoxane (MAO) Научная публикация

Журнал Organometallics
ISSN: 0276-7333 , E-ISSN: 1520-6041
Вых. Данные Год: 2004, Том: 23, Номер: 1, Страницы: 149-152 Страниц : 4 DOI: 10.1021/om034026l
Авторы Bryliakov Konstantin P. 1,2 , Talsi Evgenii P. 1,2 , Bochmann Manfred 3
Организации
1 G. K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences
2 Department of Natural Science, Novosibirsk State University, 630090 Novosibirsk, Russian Federation
3 Wolfson Materials and Catalysis Centre, School of Chemical Sciences and Pharmacy, University of East Anglia, Norwich NR4 7TJ, United Kingdom
Реферат: Using 13C and 1H NMR spectroscopy, the products of the reaction of Cp2TiCl2 with methylaluminoxane (MAO) at Al:Ti ratios of 5:1 to 300:1 have been identified as Cp2TiMeCl, Cp2TiMe2, [Cp2TiMe(μ-Cl)Cp2TiCl]+[Me-MAO]- (II1), [Cp2TiMe(μ-Cl)Cp2TiMe]+[Me-MAO]- (II2), [Cp2TiMe(μ-Me)Cp2TiMe]+[Me-MAO]- (II3), the heterobinuclear ion pair [Cp2Ti(μ-Me)2AlMe2]+[Me-MAO]- (III), and a “zwitterion-like” intermediate, formulated as Cp2TiMe+←Me-Al-⋮MAO (IV). In contrast, [(Me4C5)SiMe2NtBu]TiCl2/MAO gives only zwitterion-like, not heterobinuclear, species.
Библиографическая ссылка: Bryliakov K.P. , Talsi E.P. , Bochmann M.
1H and 13C NMR Spectroscopic Study of Titanium(IV) Species Formed by Activation of Cp2TiCl2 and [(Me4C5)SiMe2NtBu]TiCl2 with Methylaluminoxane (MAO)
Organometallics. 2004. V.23. N1. P.149-152. DOI: 10.1021/om034026l WOS Scopus РИНЦ CAPlusCA OpenAlex Sciact
Даты:
Поступила в редакцию: 8 июл. 2003 г.
Опубликована online: 3 дек. 2003 г.
Опубликована в печати: 1 янв. 2004 г.
Идентификаторы БД:
Web of science: WOS:000187727600023
Scopus: 2-s2.0-1642536659
РИНЦ: 13465367
Chemical Abstracts: 2003:939604
Chemical Abstracts (print): 140:146238
OpenAlex: W2060421826
Sciact: 10527
Цитирование в БД:
БД Цитирований
Scopus 69
OpenAlex 67
Альметрики: