Publication

Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application

Schroeder, K., Haase, D., Saak, W., Beckhaus, R., Kretschmer, W. P. & Luetzen, A., 28-Apr-2008, In : Organometallics. 27, 8, p. 1859-1868 10 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Schroeder, K., Haase, D., Saak, W., Beckhaus, R., Kretschmer, W. P., & Luetzen, A. (2008). Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application. Organometallics, 27(8), 1859-1868. https://doi.org/10.1021/om7012293

Author

Schroeder, Kai ; Haase, Detlev ; Saak, Wolfgang ; Beckhaus, Ruediger ; Kretschmer, Winfried P. ; Luetzen, Arne. / Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application. In: Organometallics. 2008 ; Vol. 27, No. 8. pp. 1859-1868.

Harvard

Schroeder, K, Haase, D, Saak, W, Beckhaus, R, Kretschmer, WP & Luetzen, A 2008, 'Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application', Organometallics, vol. 27, no. 8, pp. 1859-1868. https://doi.org/10.1021/om7012293

Standard

Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application. / Schroeder, Kai; Haase, Detlev; Saak, Wolfgang; Beckhaus, Ruediger; Kretschmer, Winfried P.; Luetzen, Arne.

In: Organometallics, Vol. 27, No. 8, 28.04.2008, p. 1859-1868.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Schroeder K, Haase D, Saak W, Beckhaus R, Kretschmer WP, Luetzen A. Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application. Organometallics. 2008 Apr 28;27(8):1859-1868. https://doi.org/10.1021/om7012293


BibTeX

@article{b0e26f2d765c43498ce745fdae7df849,
title = "Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application",
abstract = "Reacting tetrabenzo[a,c,g,i]fluorenyllithium {TbfLi(THF)(4) (1)} with TiCl(3)(THF)(3) (2) leads to the formation of the eta(5)-tetrabenzo[a,c,g,i]fluorenyltitanium(III) derivative TbfTiCl(2)(THF) (3), which can be conveyed to the titanium(IV)complex TbfTiCl(3) (4) by oxidative chlorination with CCl(4). Subsequent reaction with various lithium phenoxides gives a series of titanium complexes of the type TbtTiCl(2)(OAr) (Ar = 4-(t)BUC(6)H(4) (5), 2,6-Me(2)C(6)H(3) (6), 2,4,6-Me(3)C(6)H(2) (7), 2,6-(i)PrC(6)H(3) (8), 2,6-Ph(2)C(6)H(3) (9)). Furthermore, 3 was reacted with radicals or radical-generating peroxides to form the complexes TbfTiCl(2)TEMPO (10) and TbfTiCl(2)O(t)Bu (11). All compounds were characterized by IR, MS, and NMR measurements and X-ray crystallography. Finally, compounds 6, 8, 9, and 10 were subjected to ethylene polymerization experiments using d-MAO. The activities increase in the following order [kG(PE)mol(Ti)(-1) h(-1) bar(-1)]: 6 (320) <8 (320) <10 (760) <9 (1000).",
keywords = "NONBRIDGED HALF-TITANOCENES, RING-OPENING POLYMERIZATION, OLEFIN POLYMERIZATION, ORGANOMETALLIC CHEMISTRY, STYRENE POLYMERIZATION, MOLECULAR-STRUCTURE, CRYSTAL-STRUCTURE, METAL-COMPLEXES, CYCLOPENTADIENYL, LIGAND",
author = "Kai Schroeder and Detlev Haase and Wolfgang Saak and Ruediger Beckhaus and Kretschmer, {Winfried P.} and Arne Luetzen",
year = "2008",
month = apr,
day = "28",
doi = "10.1021/om7012293",
language = "English",
volume = "27",
pages = "1859--1868",
journal = "Organometallics",
issn = "0276-7333",
publisher = "AMER CHEMICAL SOC INC",
number = "8",

}

RIS

TY - JOUR

T1 - Tetrabenzo[a,c,g,i]fluorenyltitanium(III) and -(IV) complexes: Syntheses, reactions, and catalytic application

AU - Schroeder, Kai

AU - Haase, Detlev

AU - Saak, Wolfgang

AU - Beckhaus, Ruediger

AU - Kretschmer, Winfried P.

AU - Luetzen, Arne

PY - 2008/4/28

Y1 - 2008/4/28

N2 - Reacting tetrabenzo[a,c,g,i]fluorenyllithium {TbfLi(THF)(4) (1)} with TiCl(3)(THF)(3) (2) leads to the formation of the eta(5)-tetrabenzo[a,c,g,i]fluorenyltitanium(III) derivative TbfTiCl(2)(THF) (3), which can be conveyed to the titanium(IV)complex TbfTiCl(3) (4) by oxidative chlorination with CCl(4). Subsequent reaction with various lithium phenoxides gives a series of titanium complexes of the type TbtTiCl(2)(OAr) (Ar = 4-(t)BUC(6)H(4) (5), 2,6-Me(2)C(6)H(3) (6), 2,4,6-Me(3)C(6)H(2) (7), 2,6-(i)PrC(6)H(3) (8), 2,6-Ph(2)C(6)H(3) (9)). Furthermore, 3 was reacted with radicals or radical-generating peroxides to form the complexes TbfTiCl(2)TEMPO (10) and TbfTiCl(2)O(t)Bu (11). All compounds were characterized by IR, MS, and NMR measurements and X-ray crystallography. Finally, compounds 6, 8, 9, and 10 were subjected to ethylene polymerization experiments using d-MAO. The activities increase in the following order [kG(PE)mol(Ti)(-1) h(-1) bar(-1)]: 6 (320) <8 (320) <10 (760) <9 (1000).

AB - Reacting tetrabenzo[a,c,g,i]fluorenyllithium {TbfLi(THF)(4) (1)} with TiCl(3)(THF)(3) (2) leads to the formation of the eta(5)-tetrabenzo[a,c,g,i]fluorenyltitanium(III) derivative TbfTiCl(2)(THF) (3), which can be conveyed to the titanium(IV)complex TbfTiCl(3) (4) by oxidative chlorination with CCl(4). Subsequent reaction with various lithium phenoxides gives a series of titanium complexes of the type TbtTiCl(2)(OAr) (Ar = 4-(t)BUC(6)H(4) (5), 2,6-Me(2)C(6)H(3) (6), 2,4,6-Me(3)C(6)H(2) (7), 2,6-(i)PrC(6)H(3) (8), 2,6-Ph(2)C(6)H(3) (9)). Furthermore, 3 was reacted with radicals or radical-generating peroxides to form the complexes TbfTiCl(2)TEMPO (10) and TbfTiCl(2)O(t)Bu (11). All compounds were characterized by IR, MS, and NMR measurements and X-ray crystallography. Finally, compounds 6, 8, 9, and 10 were subjected to ethylene polymerization experiments using d-MAO. The activities increase in the following order [kG(PE)mol(Ti)(-1) h(-1) bar(-1)]: 6 (320) <8 (320) <10 (760) <9 (1000).

KW - NONBRIDGED HALF-TITANOCENES

KW - RING-OPENING POLYMERIZATION

KW - OLEFIN POLYMERIZATION

KW - ORGANOMETALLIC CHEMISTRY

KW - STYRENE POLYMERIZATION

KW - MOLECULAR-STRUCTURE

KW - CRYSTAL-STRUCTURE

KW - METAL-COMPLEXES

KW - CYCLOPENTADIENYL

KW - LIGAND

U2 - 10.1021/om7012293

DO - 10.1021/om7012293

M3 - Article

VL - 27

SP - 1859

EP - 1868

JO - Organometallics

JF - Organometallics

SN - 0276-7333

IS - 8

ER -

ID: 1978688