SYNTHESIS, STRUCTURE, REACTIVITY AND ELECTROCHEMISTRY OF CIS-DIOXORUTHENIUM-(VI) AND CIS-DIOXORUTHENIUM-(V) COMPLEXES CONTAINING N,N,N',N',3,6-HEXAMETHYL-3,6-DIAZAOCTANE-1,8-DIAMINE

被引：35

作者：

LI, CK ^{[1
]}

CHE, CM ^{[1
]}

TONG, WF ^{[1
]}

TANG, WT ^{[1
]}

WONG, KY ^{[1
]}

LAI, TF ^{[1
]}

机构：

[1] UNIV HONG KONG,DEPT CHEM,POKFULAM RD,HONG KONG,HONG KONG

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1992年 / 13期

关键词：

D O I：

10.1039/dt9920002109

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The complexes cis-[Ru(VI)LO2]2+, cis-[Ru(V)LO2]+ and cis-[Ru(II)L(MeCN)2]2+ (L = N,N,N',N',3,6-hexamethyl-3,6-diazaoctane-1,8-diamine) have been prepared and their structures determined. The two Ru=O bonds in cis-[Ru(VI)LO2]2+ are equivalent [1.795(9) angstrom] and the O Ru-O angle is 112.0(4)-degrees. In cis-[Ru(V)LO2]+ the two Ru=O distances are 1.751(3) and 1.756(4) angstrom, and the O-Ru-O angle is 115.1(2)-degrees. The N(MeCN)-Ru-N(MeCN) angle in cis-[Ru(II)L(MeCN)2]2+ is 86.1(2)-degrees. The cyclic voltammogram of cis-[Ru(VI)LO2]2+ in acetonitrile exhibits a reversible one-electron Ru(VI)-Ru(V) couple at 0.53 V vs. Ag-AgNO3 (0.1 mol dm-3). In aqueous solutions, proton-coupled electron-transfer redox couples are observed. This complex is capable of oxidising a wide variety of organic substrates including 2,3-dimethylbutane and adamantane. Oxidation of saturated alkanes occurred preferentially at the tertiary C-H bond.

引用

页码：2109 / 2116

页数：8

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