Synthesis of various nonbridged titanium(IV) cyclopentadienyl-aryloxy complexes of the type CpTi(OAr)X2 and their use in the catalysis of alkene polymerization. Important roles of substituents on both aryloxy and cyclopentadienyl groups

Kotohiro Nomura; Naofumi Naga; Misao Miki; Kazunori Yanagi; Akio Imai

doi:10.1021/om980106r

Synthesis of various nonbridged titanium(IV) cyclopentadienyl-aryloxy complexes of the type CpTi(OAr)X₂ and their use in the catalysis of alkene polymerization. Important roles of substituents on both aryloxy and cyclopentadienyl groups

Kotohiro Nomura, Naofumi Naga, Misao Miki, Kazunori Yanagi, Akio Imai

Research output: Contribution to journal › Article › peer-review

217 Citations (Scopus)

Abstract

Various titanium complexes of the type Cp′Ti-(OAr)Cl₂ (Cp′ = cyclopentadienyl; OAr = aryloxy) could be prepared in high yields from Cp′TiCl₃. These complexes show remarkable catalytic activities for alkene polymerization with MAO or AlⁱBu₃-Ph₃CB(C₆F₅) ₄: (C₅-Me₅)Ti(O-2,6-ⁱPr₂C ₆H₃)X₂ (X = Cl (2b), Me (8b), CF₃-SO₃ (9b)) showed the highest activities. The bond angle Ti-O-C (phenyl group) in 2b (173.0°) is significantly different from those for other complexes (162.3-163.1°).

Original language	English
Pages (from-to)	2152-2154
Number of pages	3
Journal	Organometallics
Volume	17
Issue number	11
DOIs	https://doi.org/10.1021/om980106r
Publication status	Published - 1998 May 25
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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Nomura, K., Naga, N., Miki, M., Yanagi, K., & Imai, A. (1998). Synthesis of various nonbridged titanium(IV) cyclopentadienyl-aryloxy complexes of the type CpTi(OAr)X₂ and their use in the catalysis of alkene polymerization. Important roles of substituents on both aryloxy and cyclopentadienyl groups. Organometallics, 17(11), 2152-2154. https://doi.org/10.1021/om980106r

Synthesis of various nonbridged titanium(IV) cyclopentadienyl-aryloxy complexes of the type CpTi(OAr)X₂ and their use in the catalysis of alkene polymerization. Important roles of substituents on both aryloxy and cyclopentadienyl groups. / Nomura, Kotohiro; Naga, Naofumi; Miki, Misao et al.
In: Organometallics, Vol. 17, No. 11, 25.05.1998, p. 2152-2154.

Research output: Contribution to journal › Article › peer-review

Nomura, K, Naga, N, Miki, M, Yanagi, K & Imai, A 1998, 'Synthesis of various nonbridged titanium(IV) cyclopentadienyl-aryloxy complexes of the type CpTi(OAr)X₂ and their use in the catalysis of alkene polymerization. Important roles of substituents on both aryloxy and cyclopentadienyl groups', Organometallics, vol. 17, no. 11, pp. 2152-2154. https://doi.org/10.1021/om980106r

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title = "Synthesis of various nonbridged titanium(IV) cyclopentadienyl-aryloxy complexes of the type CpTi(OAr)X2 and their use in the catalysis of alkene polymerization. Important roles of substituents on both aryloxy and cyclopentadienyl groups",

abstract = "Various titanium complexes of the type Cp′Ti-(OAr)Cl2 (Cp′ = cyclopentadienyl; OAr = aryloxy) could be prepared in high yields from Cp′TiCl3. These complexes show remarkable catalytic activities for alkene polymerization with MAO or AliBu3-Ph3CB(C6F5) 4: (C5-Me5)Ti(O-2,6-iPr2C 6H3)X2 (X = Cl (2b), Me (8b), CF3-SO3 (9b)) showed the highest activities. The bond angle Ti-O-C (phenyl group) in 2b (173.0°) is significantly different from those for other complexes (162.3-163.1°).",

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T1 - Synthesis of various nonbridged titanium(IV) cyclopentadienyl-aryloxy complexes of the type CpTi(OAr)X2 and their use in the catalysis of alkene polymerization. Important roles of substituents on both aryloxy and cyclopentadienyl groups

AU - Nomura, Kotohiro

AU - Naga, Naofumi

AU - Miki, Misao

AU - Yanagi, Kazunori

AU - Imai, Akio

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N2 - Various titanium complexes of the type Cp′Ti-(OAr)Cl2 (Cp′ = cyclopentadienyl; OAr = aryloxy) could be prepared in high yields from Cp′TiCl3. These complexes show remarkable catalytic activities for alkene polymerization with MAO or AliBu3-Ph3CB(C6F5) 4: (C5-Me5)Ti(O-2,6-iPr2C 6H3)X2 (X = Cl (2b), Me (8b), CF3-SO3 (9b)) showed the highest activities. The bond angle Ti-O-C (phenyl group) in 2b (173.0°) is significantly different from those for other complexes (162.3-163.1°).

AB - Various titanium complexes of the type Cp′Ti-(OAr)Cl2 (Cp′ = cyclopentadienyl; OAr = aryloxy) could be prepared in high yields from Cp′TiCl3. These complexes show remarkable catalytic activities for alkene polymerization with MAO or AliBu3-Ph3CB(C6F5) 4: (C5-Me5)Ti(O-2,6-iPr2C 6H3)X2 (X = Cl (2b), Me (8b), CF3-SO3 (9b)) showed the highest activities. The bond angle Ti-O-C (phenyl group) in 2b (173.0°) is significantly different from those for other complexes (162.3-163.1°).

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