Synthesis and characterization of bimetallic ruthenium complexes bridged with C5H and related ligands

被引：49

作者：

Xia, HP ^{[1
]}

Wu, WF ^{[1
]}

Ng, WS ^{[1
]}

Williams, ID ^{[1
]}

Jia, GC ^{[1
]}

机构：

[1] HONG KONG UNIV SCI & TECHNOL,DEPT CHEM,KOWLOON,HONG KONG

来源：

ORGANOMETALLICS | 1997年 / 16卷 / 13期

关键词：

D O I：

10.1021/om970051d

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Treatment of [(eta(5)-C5R5)Ru(L)(2)]BF4 (R = Me, (L)(2) = dppe; R = H, (L)(2) = (PPh3)(2)) with 0.45 equiv of HC=CCH(OH)C=CH led to the formation of the C5H2-bridged compounds [(eta(5)C(5)R(5))(L)(2)Ru=C=C=CHCH=C=Ru(L)(2)(eta(5)-C5R5)](BF4)(2). The C5H2-bridged compounds reacted with alumina to give the C5H-bridged compounds [(eta(5)-C5R5)(L)(2)Ru=C=C=CHC=CRu(L)(2)(eta(5)-C5R5)]BF4. The structure of the C5H-bridged complex [Cp(PPh3)(2)Ru=C=C=CHC=CRu(PPh3)(2)Cp]BPh4 has been confirmed by X-ray diffraction and shows the bridging C5H ligand to be symmetric with a delocalized st-system. Reaction of [(eta(5)-C5R5)(L)(2)Ru=C=C=CHC=CRu(L)(2)(eta(5)-C5R5)]BF4 with acetone in the presence of KOH or KOBut produced (eta(5)-C5R5)(L)(2)RuC=CCH(CH2COMe)C=CRu(L)(2)(eta(5)-C5R5).

引用

页码：2940 / 2947

页数：8

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