Synthesis, crystal structure and reactivity of the dihydroborate [Li(Et2O)][B(C6F5)2(H)2]

被引:15
作者
Douthwaite, RE [1 ]
机构
[1] Univ Oxford, Inorgan Chem Lab, Oxford OX1 3QR, England
关键词
hydroborates; lithium; titanium(IV); bonding; crystal structures;
D O I
10.1016/S0277-5387(00)00428-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The new dihydroborate [Li(Et2O)][B(C6F5)(2)(H)(2)] (1) has been prepared and characterised by single-crystal X-ray diffraction. In the solid state 1 exhibits a one-dimensional chain structure that is a result of intermolecular Li-F interactions. Reaction between 1 and one equivalent of Cp2TiCl or 0.5 equivalents of Cp2TiCl2 gives the violet compound Cp2Ti{(mu-H)(2)B(C6F5)(2)} (2), which has also been characterised by single-crystal X-ray diffraction. Addition of two equivalents of PM3, to 2 does not result in elimination of a borane:phosphine adduct, but yields the ionic compound [Cp2Ti(PMe3)(2)][H2B(C6F5)(2)] (3). (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1579 / 1583
页数:5
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