The interaction of the [B10H10](2-) cage with Lewis acids and the formation of decaborane derivatives by cage-opening reactions

被引：5

作者：

Bonnetot, B ^{[1
]}

Miele, P ^{[1
]}

Naoufal, D ^{[1
]}

Mongeot, H ^{[1
]}

机构：

[1] UNIV LYON 1,LAB MULTIMAT & INTERFACES,UMR 5615,F-69622 VILLEURBANNE,FRANCE

来源：

COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS | 1997年 / 62卷 / 08期

关键词：

decaborane; halodecaboranes; closo-decahydrodecaborate(2-); closo-hydroborate anions;

D O I：

10.1135/cccc19971273

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The interaction of hydroborates M-2[B10H10] (M = NH4, Et4N, Bu4N, etc.) or Et4N[B10H9-NH2COCH3] with Lewis acids AIX(3) (X = Cl, Br, I) in the solid state is sufficiently strong to produce an increase of more than 85 cm(-1) of the BH stretching vibrations. A similar interaction was not observed for the hydroborate (NH4)(2)[B10H9I] owing to the electronegativity of the iodine substituent which hampers the electron donor properties of the cage. Hydrolysis of (AlX3)(n)-[B10H10](2-) adducts under mild conditions results in opening of the boron cage with the formation of halodecaboranes 6-B10H13X. It seems that this reaction proceeds only when the above adducts can form in a preliminary step. Pure hexane solutions of 6-B10H13X were easily obtained with a 45% yield for X = Cl or Br and a 30% yield when X = I.

引用

页码：1273 / 1278

页数：6

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