Highly Active Carbene Ruthenium Catalyst for Metathesis of 1-Hexene

A new carbene ruthenium complex, 1,3‐bis(2,6‐dimethylphenyl)‐4,5‐dihydroimidazol‐2‐ylidene)(PPh3)Cl2‐Ru=CHPh, was synthesized and used as catalyst for the metathesis of 1‐hexene. The resulting complex exhibited very high catalytic activity whose TOF is up to 6680 h−1. However, at the same time signi...

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Bibliographic Details
Published in:Chinese journal of chemistry 2006-11, Vol.24 (11), p.1639-1642
Main Authors: Bai, Chen-Xi, Zhang, Zhi-Qiang, LÜ, Xiao-Bing, He, Ren, Zhang, Wen-Zhen, Lu, Shu-Lai
Format: Article
Language:English
Subjects:
isomerization
olefin metathesis
ruthenium
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Summary:A new carbene ruthenium complex, 1,3‐bis(2,6‐dimethylphenyl)‐4,5‐dihydroimidazol‐2‐ylidene)(PPh3)Cl2‐Ru=CHPh, was synthesized and used as catalyst for the metathesis of 1‐hexene. The resulting complex exhibited very high catalytic activity whose TOF is up to 6680 h−1. However, at the same time significant olefin isomerization was observed and could be surpressed by changing reaction conditions, such as temperature, time, alkene/Ru molar ratio and solvent.
ISSN:1001-604X
1614-7065
DOI:10.1002/cjoc.200690306