Synthesis and characterization of new ruthenium-based olefin metathesis catalysts coordinated with bidentate Schiff-base ligands

A novel series of Schiff-base-substituted ruthenium carbene complexes have been prepared by the treatment of RuCl2(=CHPh)(PCy3)(2) with a variety of Schiff-base ligands as the thallium salts. Modification of the Schiff-base electronic and/or structural substituents allowed for the tuning of the complexes activities in olefin metathesis reactions. The structures of the complexes were unambiguously characterized by NMR studies and X-ray analysis. These newly prepared complexes are highly stable to air, moisture, and temperature and even exhibit catalytic activity in polar protic solvents.
Publisher
AMER CHEMICAL SOC
Issue Date
1998-08
Language
ENG
Article Type
Article
Keywords

RING-CLOSING METATHESIS; CARBENE COMPLEX; ACYCLIC OLEFINS; AMINO-ACIDS; POLYMERIZATION; RUCL2(=CHR')(PR(3))(2); MEDIA; ROMP

Citation

ORGANOMETALLICS, v.17, no.16, pp.3460 - 3465

ISSN
0276-7333
DOI
10.1021/om970910y
URI
http://hdl.handle.net/10203/73292
Appears in Collection
CH-Journal Papers(저널논문)
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