Application of n-Bu4NHF2 as a Fluorinating Agent for the Preparation of Fluoroanions:  Synthesis and Crystal Structure of the Anions [t-BuPO3AlF2]2 2-, [PhPO3AlF2]2 2-, and [(O-i-Pr)3Ti(μ-F)2(μ-O-i-Pr)Ti(O-i-Pr)3]

The first phosphonate anions of aluminum-containing fluorine and an anionic bridged fluoroalkoxy derivative of titanium have been realized using n-Bu4NHF2 as a fluorinating agent in organometallic synthesis. Reactions of [RPO3AlMe]4 [R = Ph (1), t-Bu] with n-Bu4NHF2 yield organic-soluble compounds o...

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Published in:Inorganic chemistry 2000-09, Vol.39 (18), p.3995-3998
Main Authors: Chakraborty, Debashis, Horchler, Sabine, Roesky, Herbert W, Noltemeyer, Mathias, Schmidt, Hans-Georg
Format: Article
Language:English
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Summary:The first phosphonate anions of aluminum-containing fluorine and an anionic bridged fluoroalkoxy derivative of titanium have been realized using n-Bu4NHF2 as a fluorinating agent in organometallic synthesis. Reactions of [RPO3AlMe]4 [R = Ph (1), t-Bu] with n-Bu4NHF2 yield organic-soluble compounds of the type [n-Bu4N]2[RPO3AlF2]2 [R = Ph (2), t-Bu (3)], whereas the reaction of Ti(O-i-Pr)4 with n-Bu4NHF2 results in the formation of [n-Bu4N][(O-i-Pr)3Ti(μ-F)2(μ-O-i-Pr)Ti(O-i-Pr)3] (4). These compounds have been obtained in high yields and have been adequately characterized through spectroscopic techniques and X-ray diffraction studies.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic991453b