Selenocyanato derivatives of hydro-closo-borates: Syntheses and crystal structures of (PPh(4))(2)[(SeCN)BnHn-1] (n=6, 10, 12)

被引：23
|
作者：
Nachtigal, C [1 ]
Steuer, B [1 ]
Preetz, W [1 ]
机构：
[1] CHRISTIAN ALBRECHTS UNIV KIEL,INST ANORGAN CHEM,D-24118 KIEL,GERMANY
来源：
CHEMISCHE BERICHTE-RECUEIL | 1996年 / 129卷 / 12期
关键词：
hydro-closo-borates; selenocyanato derivatives; B-11; NMR; Se-77;
D O I：
10.1002/cber.19961291220
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The hydro-closo-borates [BnHn](2-) (n = 6, 10, 12) react with (SeCN)(2) in organic media to yield derivatives with one SeCN group bound via Se to the B-n polyhedra. This was verified by single-crystal X-ray structural analysis of the isotypical (<P(1)over bar>) tetraphenylphosphonium salts (PPh(4))(2)[(SeCN)B6H5] (1), (PPh(4))(2)[1-(SeCN)B10H9] (2) and (PPh(4))(2)[(SeCN)B12H11] (3). The B-11-NMR spectra reveal the features of monosubstituted hydro-closo-borates. The Se-77-NMR resonances are observed in the downfield region between delta = -22.6 and -78.8 characteristic of Se-bonded SeCN groups.
引用
收藏
页码：1531 / 1534
页数：4
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