Ring-methyl activation in pentamethylcyclopentadienyl complexes .7. Reactions of [Ru(eta(2):eta(5)-C5Me4CH2O(CH2)(n)CH=CHR2)(CO)(2)]+BF4(-) with nucleophiles

被引：12

作者：

Gusev, OV

Morozova, LN

Peganova, TA

Antipin, MY

Lyssenko, KA

Noels, AF

OLeary, SR

Maitlis, PM

机构：

[1] UNIV SHEFFIELD,DEPT CHEM,SHEFFIELD S3 7HF,S YORKSHIRE,ENGLAND

[2] RUSSIAN ACAD SCI,INST ORGANOELEMENT CPDS,MOSCOW 117813,RUSSIA

[3] UNIV LIEGE,INST CHIM B6,B-4000 LIEGE,BELGIUM

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1997年 / 536卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

ruthenium; olefin chelate; nucleophilic attack; cyclopentadienyl; crystal structure;

D O I：

10.1016/S0022-328X(96)06715-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The ruthenium chelates containing tethered olefinic side chains [Ru(eta(2):eta(5)-C5Me4CH2O(CH2)(n)CH=CHR2)(CO)(2)]+BF4- (1a, R-2 = H, n = 1; 1b, R-2 = Me, n = 1; 1c, R-2 = H, n = 2) react with NaBH4 in MeOH or in water to give the non-chelated olefin hydride complexes [Ru(eta(5)-C5Me4CH2O(CH2)(n)CH = CHR2)(CO)(2)(H)] (2a-c). By contrast, allcoxide attacked at a carbonyl ligand in la giving the chelated olefin alkoxycarbonyl complexes [Ru(eta(2):eta(5)-C5Me4CH2OCH2CH=CH2)(eta(1)-COOR3)(CO)] (3a,a', R-3 = Me; 4a,a', R-3 = Et), which form a separable mixture of diastereomers. There was no evidence for attack at the coordinated olefin in complex 1. (C) 1997 Elsevier Science S.A.

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页码：191 / 196

页数：6

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