Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV): Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV)

Tsietsi A. Tsotetsi; Annemarie Kuhn; Alfred Muller; Jeanet Conradie

doi:10.1016/j.poly.2008.10.025

Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV): Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV)

Tsietsi A. Tsotetsi, Annemarie Kuhn, Alfred Muller, Jeanet Conradie

University of The Free State

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

15 Citations (Scopus)

Abstract

Novel bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV) is synthesized and characterized by X-ray crystallography and other physical methods. The kinetics of substitution of bidentate 2,2′-biphenyldiolato for the two monodentate Cl^- ligands in Ti(CH₃COCHCOCH₃)₂Cl₂ proceeds via a 7-coordinated transition state according to an associative mechanism. The Ti(CH₃COCHCOCH₃)₂biphen complex exhibits high hydrolytic stability.

Original language	English
Pages (from-to)	209-214
Number of pages	6
Journal	Polyhedron
Volume	28
Issue number	2
DOIs	https://doi.org/10.1016/j.poly.2008.10.025
Publication status	Published - 3 Feb 2009
Externally published	Yes

Keywords

Acetylacetone
Kinetics
Substitution
Titanium

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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Tsotetsi, T. A., Kuhn, A., Muller, A., & Conradie, J. (2009). Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV): Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV). Polyhedron, 28(2), 209-214. https://doi.org/10.1016/j.poly.2008.10.025

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title = "Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV): Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV)",

abstract = "Novel bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV) is synthesized and characterized by X-ray crystallography and other physical methods. The kinetics of substitution of bidentate 2,2′-biphenyldiolato for the two monodentate Cl- ligands in Ti(CH3COCHCOCH3)2Cl2 proceeds via a 7-coordinated transition state according to an associative mechanism. The Ti(CH3COCHCOCH3)2biphen complex exhibits high hydrolytic stability.",

keywords = "Acetylacetone, Kinetics, Substitution, Titanium",

author = "Tsotetsi, \{Tsietsi A.\} and Annemarie Kuhn and Alfred Muller and Jeanet Conradie",

year = "2009",

month = feb,

day = "3",

doi = "10.1016/j.poly.2008.10.025",

language = "English",

volume = "28",

pages = "209--214",

journal = "Polyhedron",

issn = "0277-5387",

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Tsotetsi, TA, Kuhn, A, Muller, A & Conradie, J 2009, 'Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV): Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV)', Polyhedron, vol. 28, no. 2, pp. 209-214. https://doi.org/10.1016/j.poly.2008.10.025

Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV): Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV). / Tsotetsi, Tsietsi A.; Kuhn, Annemarie; Muller, Alfred et al.
In: Polyhedron, Vol. 28, No. 2, 03.02.2009, p. 209-214.

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

TY - JOUR

T1 - Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV)

T2 - Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV)

AU - Tsotetsi, Tsietsi A.

AU - Kuhn, Annemarie

AU - Muller, Alfred

AU - Conradie, Jeanet

PY - 2009/2/3

Y1 - 2009/2/3

N2 - Novel bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV) is synthesized and characterized by X-ray crystallography and other physical methods. The kinetics of substitution of bidentate 2,2′-biphenyldiolato for the two monodentate Cl- ligands in Ti(CH3COCHCOCH3)2Cl2 proceeds via a 7-coordinated transition state according to an associative mechanism. The Ti(CH3COCHCOCH3)2biphen complex exhibits high hydrolytic stability.

AB - Novel bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV) is synthesized and characterized by X-ray crystallography and other physical methods. The kinetics of substitution of bidentate 2,2′-biphenyldiolato for the two monodentate Cl- ligands in Ti(CH3COCHCOCH3)2Cl2 proceeds via a 7-coordinated transition state according to an associative mechanism. The Ti(CH3COCHCOCH3)2biphen complex exhibits high hydrolytic stability.

KW - Acetylacetone

KW - Kinetics

KW - Substitution

KW - Titanium

UR - https://www.scopus.com/pages/publications/58149354190

U2 - 10.1016/j.poly.2008.10.025

DO - 10.1016/j.poly.2008.10.025

M3 - Article

AN - SCOPUS:58149354190

SN - 0277-5387

VL - 28

SP - 209

EP - 214

JO - Polyhedron

JF - Polyhedron

IS - 2

ER -

Substitution kinetics of biphenol at dichlorobis(acetylacetonato-O,O′)titanium(IV): Isolation, characterization, crystal structure and enhanced hydrolytic stability of the product bis(acetylacetonato-O,O′)(biphenyldiolato-O,O′)titanium(IV)

Abstract

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