RUTHENIUM AND OSMIUM ACYL FLUORIDE COMPLEXES - CRYSTAL-STRUCTURE OF [OC-6-13][RUF2(CO)(2)(PPH(3))]CENTER-DOT-CD2CL(2)

被引:46
作者
BREWER, SA [1 ]
COLEMAN, KS [1 ]
FAWCETT, J [1 ]
HOLLOWAY, JH [1 ]
HOPE, EG [1 ]
RUSSELL, DR [1 ]
WATSON, PG [1 ]
机构
[1] UNIV LEICESTER,DEPT CHEM,LEICESTER LE1 7RH,LEICS,ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1995年 / 07期
关键词
D O I
10.1039/dt9950001073
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Fluoroacyl complexes of ruthenium and osmium have been identified in the oxidative addition of XeF2 to [M(CO)(3)(PPh(3))(2)] (M = Ru or Os) in dichloromethane. The mechanism of reaction, probed by the addition of BF3, involves oxidation of the metal centre by XeF+ followed by nucleophilic attack by F- at co-ordinated CO. For M = Ru, the fluoroacyl complex is unstable at room temperature and decomposes via elimination of CO to [OC-6-13][RUF(2)(CO)(2)(PPh(3))(2)] for which the ligand arrangement has been confirmed by X-ray crystallography. For M = Os, the analogous complex is obtained by heating the fluoroacyl species in solution for several hours. All the products have been characterised by IR, F-19 and P-31 NMR spectroscopies.
引用
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页码:1073 / 1076
页数:4
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