Recyclable polymeric phosphine-ruthenium catalyst for the synthesis of new enol diesters

被引：16

作者：

Lavastre, O ^{[1
]}

Bebin, P ^{[1
]}

Marchaland, O ^{[1
]}

Dixneuf, PH ^{[1
]}

机构：

[1] UNIV RENNES,URA CNRS 415,CHIM COORDINAT ORGAN LAB,F-35042 RENNES,FRANCE

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1996年 / 108卷 / 01期

关键词：

ruthenium; polymeric phosphine; phosphine; recyclable catalyst; enol diester; alkyne activation;

D O I：

10.1016/1381-1169(95)00287-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The synthesis of a ruthenium containing catalyst linked to a polymeric phosphine, [Ru(mu-O2CH)(CO)(2)(PPh(2)(CH2CH3)(50)CH2CH3)](2), is described, The polyethylene chain induced a temperature dependent solubility of the ruthenium catalyst which was soluble in toluene at 100 degrees C but insoluble at room temperature. This property was used for an efficient technique of catalyst recovery. Catalytic properties of the complex was shown in the synthesis of a dioxolanone and for the large scale access to several new enol diesters via the activation of terminal alkynes towards addition of carboxylic acids. ?The recycling of the supported ruthenium catalyst was performed without loss of activity.

引用

页码：29 / 34

页数：6

共 10 条

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