Verma, I. D. ; Mehrotra, R. C. (1959) Reactions of ortho-esters of titanium part I. Reactions between isopropyl titanate and acetyl bromide Journal of the Less Common Metals, 1 (4). pp. 263-268. ISSN 0022-5088
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Official URL: http://dx.doi.org/10.1016/0022-5088(59)90003-7
Related URL: http://dx.doi.org/10.1016/0022-5088(59)90003-7
Abstract
The reaction between titanium isopropoxide and acetyl bromide has been studied and the following compounds, TiBr(OPri)3, TiBr2(OPri)2 · 0.5 CH3COOPri, TiBr3(OPri) · CH3COOPri and TiBr4 · CH3COOPri have been isolated. The tri- and tetra-bromide derivatives sublime with their ester of addition. The great ease with which these compounds exchange their radicals has been demonstrated by the reaction between dibromide and excess tetra-isopropoxide, whereby the monobromide crystallized out in quantitative yield. The monobromides and dibromides react with butanols or butyl acetates, to give products in which the alkoxy groups have been replaced. A number of normal and secondary butoxide derivatives have been isolated, but side-reactions occur in the case of tertiary butoxides, yielding decomposition products. It was shown that the reaction between TiBr4 · CH3COOPri and excess isopropanol produces TiBr2(OPri)2.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 30136 |
| Deposited On: | 22 Dec 2010 10:53 |
| Last Modified: | 08 Jun 2011 05:20 |
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