Hydrolysis and condensation processes of titanium iso-propoxide modified with catechol: An NMR study

The hydrolysis and condensation processes of titanium iso-propoxide modified with catechol (C6H4(OH)2; H2cat) have been investigated by 1H, 13C and 17O nuclear magnetic resonance spectroscopy. The hydrolysis reactions of the modified titanium iso-propoxide in the system with Ti:tetrahydrofuran (THF)...

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Veröffentlicht in:	Journal of sol-gel science and technology 2004-05, Vol.30 (2), p.83-88
Hauptverfasser:	EGAWA, Kentaro, SUZAKI, Kentaro, SUGAHARA, Yoshiyuki
Format:	Artikel
Sprache:	eng
Schlagworte:	Catechol Chemistry Colloidal gels. Colloidal sols Colloidal state and disperse state Condensation Exact sciences and technology General and physical chemistry Hydrolysis NMR Nuclear magnetic resonance Tetrahydrofuran Titanium
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Zusammenfassung:	The hydrolysis and condensation processes of titanium iso-propoxide modified with catechol (C6H4(OH)2; H2cat) have been investigated by 1H, 13C and 17O nuclear magnetic resonance spectroscopy. The hydrolysis reactions of the modified titanium iso-propoxide in the system with Ti:tetrahydrofuran (THF):H2O = 1:20:x (x = 1, 2 and 5 in a molar ratio) are essentially completed in the initial stage (
ISSN:	0928-0707 1573-4846
DOI:	10.1023/B:JSST.0000034695.21475.76