Ruthenium-carbene catalysts for the synthesis of 2,3-dimethylfuran

被引：92

作者：

Cetinkaya, B ^{[1
]}

Ozdemir, I ^{[1
]}

Bruneau, C ^{[1
]}

Dixneuf, PH ^{[1
]}

机构：

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

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1997年 / 118卷 / 01期

关键词：

ruthenium-carbene catalysts; activation of Z-enynols; catalytic synthesis of 2,3-dimethylfuran;

D O I：

10.1016/S1381-1169(96)00239-7

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：

A variety of neutral arene-ruthenium-carbenes of type (arene)RuCl2(=C(NR)CH(2)CH(2)NR) have been used for the catalytic transformation of (Z)-3-methylpent-2-en-4-yn-l-ol into 2,3-dimethylfuran. The catalytic reaction takes place at 80 degrees C with mononuclear complexes III-V to afford the furan in similar to 90% yield. The binuclear catalysts VIa and VIIa having a linked bis-carbene bridge operate at room temperature to initiate an exothermic reaction offering 90-97% of furan.

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页码：L1 / L4

页数：4

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