期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 26, 期 17, 页码 3782-3794出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201904549
关键词
caryophyllene; catalysis; ethenolysis; isomerization; ruthenium
Robust, selective, and stable in the presence of ethylene, ruthenium olefin metathesis pre-catalyst, {[3-benzyl-1-(10-phenyl-9-phenanthryl)]-2-imidazolidinylidene}dichloro(o-isopropoxyphenylmethylene)ruthenium(II), Ru-3, bearing an unsymetrical N-heterocyclic carbene (uNHC) ligand, has been synthesized. The initiation rate of Ru-3 was examined by ring-closing metathesis and cross-metathesis reactions with a broad spectrum of olefins, showing an unprecendented selectivity. It was also tested in industrially relevant ethenolysis reactions of olefinic substrates from renewable feedstock with very good yields and selectivities.
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