DERIVATIVE CHEMISTRY OF THE CLUSTER RU4(CO)12(MU-4-ETA-2-N2ET2)

被引：9

作者：

HANSERT, B

VAHRENKAMP, H

机构：

[1] Institut Für Anorganische Und Analytische Chemie, Universität Freiburg, Freiburg, D-79104

来源：

CHEMISCHE BERICHTE-RECUEIL | 1993年 / 126卷 / 09期

关键词：

RUTHENIUM CLUSTERS; AZOALKANE LIGANDS; HYDROGENATION; OXIDATION AND REDUCTION; ALKYNE ADDITION;

D O I：

10.1002/cber.19931260909

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The title compound (1) can be converted into H2Ru4CO)11(mu4-eta2-N2Et2) (2) in three ways: a) by direct hydrogenation, b) by a H-/H+ sequence, c) by reduction with Na/Hg (reversible with FeCp2+ /CO) and subsequent protonation. The structure of 2 has been determined by an X-ray analysis. 2 is a dibasic acid and shows ligand fluxionality as demonstrated by NMR. 2 adds phenylacetylene either by insertion into one Ru-H bond or by H2 replacement yielding HRu4(CO)10(mu4-N2Et2)(mu-CPh=CH2) (3) or Ru4(CO11(mu4-N2Et2)(mu4-HC=CPh) (4).

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页码：2023 / 2026

页数：4

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