TRIAURATED PHOSPHONIUM CATIONS [RP(AUPPH)3]+ AND THE ELECTRON-DEFICIENT, HYPERCOORDINATED PHOSPHONIUM DICATION [P(AUPPH3)5]2+

被引:66
作者
SCHMIDBAUR, H
WEIDENHILLER, G
STEIGELMANN, O
机构
[1] Anorganisch-Chemisches Institut, Technischen Universität München, Garching, W-8046
来源
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1991年 / 30卷 / 04期
关键词
D O I
10.1002/anie.199104331
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The auration of arylphosphanes by reaction with [(Ph3PAu)3O]BF4 affords the triauriophosphonium salt 1, while reaction of P(SiMe3)3 with this oxonium salt yields 2, which has a hypercoordinated P center. The cation of 1 has an almost ideal tetrahedral geometry about the central P atom. The large radius of the P atom leads to large peripheral Au ... Au distances of 3.7 angstrom. R = omicron-tolyl.
引用
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页码:433 / 435
页数:3
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