Facile synthesis of [Ru(η2-O2CO)(pta)(η6-p-cymene)], an outstandingly active Ru(II) half-sandwich complex for redox isomerization of allylic alcohols

被引：11

作者：

Bolyog-Nagy, Evelin ^{[1
]}

Udvardy, Antal ^{[1
,2
]}

Barczane-Bertok, Agnes ^{[1
]}

Joo, Ferenc ^{[1
,2
]}

Katho, Agnes ^{[1
]}

机构：

[1] Univ Debrecen, Dept Phys Chem, POB 400, H-4002 Debrecen, Hungary

[2] MTA DE Homogeneous Catalysis & React Mech Res Grp, POB 400, H-4002 Debrecen, Hungary

来源：

INORGANICA CHIMICA ACTA | 2017年 / 455卷

关键词：

Allyl alcohols; Isomerization; Water-soluble; 1,3,5-Triaza-7-phosphaadamantane (pta); Ruthenium; TRANSITION-METAL-COMPLEXES; CATALYTIC ISOMERIZATION; CARBONYL-COMPOUNDS; CARBENE COMPLEXES; AQUEOUS SYSTEMS; WATER; HYDROGENATION; EFFICIENT; HYDRATION; BICARBONATE;

D O I：

10.1016/j.ica.2016.06.041

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The water-soluble [RuCl2(pta)(eta(6)-p-cymene)] (pta = 1,3,5-triaza-7-phosphaadamantane) was applied as catalyst in the transposition of allylic alcohols, such as oct-l-en-3-ol in aqueous media. The isomerisation of oct-1-en-3-ol to octan-3-one took place only at pH > 10 buffer solutions or in the presence of alkali metal carbonates. The aqueous solution of "in situ" catalyst aRuCl(2)(pta)(eta(6)-p-cymene)] + 2 eq Na2CO3) could be reused in the biphasic isomerization of oct-1-en-3-ol for at least five times without a significant loss of the catalytic activity. It was demonstrated that carbonate is not only a base in this reaction but leads to formation of a highly active catalyst, [Ru(eta(2)-O2CO)(pta)(eta(6)-p-cymene)]. This compound was isolated as crystalline solid and characterized in detail (including X-ray diffraction). (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：514 / 520

页数：7

共 41 条

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