CYCLOPENTADIENYL-RUTHENIUM AND CYCLOPENTADIENYL-OSMIUM CHEMISTRY .37. OLIGOMERIZATION OF C2(CO2ME)2 AT A CYCLOPENTADIENYL-RUTHENIUM CENTER - X-RAY STRUCTURES OF RUI(ETA-4-CH(CO2ME)=C(CO2ME)C(CO2ME)=CH(CO2ME))(ETA-C5H5), RU(ETA-5-C5H5)(ETA-5-C6H(CO2ME)6) AND RU(ETA-5-C5H5)(ETA-5-C6[C(CO2ME)=CH(CO2ME)](CO2ME)6)

被引：10

作者：

BRUCE, MI ^{[1
]}

KOUTSANTONIS, GA ^{[1
]}

TIEKINK, ERT ^{[1
]}

NICHOLSON, BK ^{[1
]}

机构：

[1] UNIV WAIKATO, DEPT CHEM, HAMILTON, NEW ZEALAND

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1991年 / 420卷 / 02期

关键词：

D O I：

10.1016/0022-328X(91)80268-O

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reactions between RuX(PPh3)2(eta-C5H5) (X = Cl, I) and C2(CO2Me)2 in MeOH in the presence of NH4PF6 have given three types of complex, which have been fully characterised by X-ray studies. These are the eta-4-diene complexes RuX{eta-4-CH(CO2Me) = C(CO2Me)C(CO2Me) = CH(CO2Me)}-(eta-C5H5) (1, X = Cl; 2, X = I) and the eta-5-cyclohexadienyl derivatives Ru(eta-5-C5H5){eta-5-C6H(CO2Me)6} (4) and Ru(eta-5-C5H5){eta-5-C6[C(CO2Me) = CH(CP2Me)](CO2Me)6} (5). The three complexes are formed by di-, tri- and tetra-merisation of the alkyne at the mononuclear ruthenium centre; the last reaction is unprecedented. Possible mechanisms are discussed.

引用

收藏

页码：271 / 288

页数：18

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