SYNTHESIS AND PROTONATION OF NEW 1,3-DIENE COMPLEXES OF ZEROVALENT RUTHENIUM

被引：20

作者：

BENNETT, MA

WANG, XQ

机构：

[1] Research School of Chemistry, Australian National University, A.C.T., 2601, G.P.O. Box 4, Canberra

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1992年 / 428卷 / 1-2期

关键词：

D O I：

10.1016/0022-328X(92)83244-C

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Complexes of general formula Ru(eta-4-1,3-diene)(eta-4-1,5-cyclooctadiene)(nitrile) are formed by reaction of various acyclic 1,3-dienes with Ru(eta-6-naphthalene)(eta-4-1,5-cyclooctadiene) (1) in the presence of nitriles. The coordinated nitrile is readily replaced by stronger pi-acceptors such as CO, (t)BuNC, P(OMe)3 and tertiary phosphines. In contrast, 1,3-cyclohexadiene reacts with 1 in the presence of benzonitrile to give Ru(1,3-C6H8)2(NCPh). The mono-protonated salt obtained from the 2,3-dimethylbutadiene complex Ru(eta-4-C6H10)(eta-4-1,5-C8H12)(PEt3) and HPF6 contains an agostic methyl group whose rotation is almost frozen at -90-degrees-C.

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页码：C17 / C20

页数：4

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