A recyclable Ru-based metathesis catalyst

Authors
Kingsbury, JS Harrity, JPA Bonitatebus, PJ Hoveyda, AH
Citation
Js. Kingsbury et al., A recyclable Ru-based metathesis catalyst, J AM CHEM S, 121(4), 1999, pp. 791-799
Citations number
31
Categorie Soggetti
Chemistry & Analysis",Chemistry
Journal title
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
ISSN journal
00027863 → ACNP
Volume
121
Issue
4
Year of publication
1999
Pages
791 - 799
Database
ISI
SICI code
0002-7863(19990203)121:4<791:ARRMC>2.0.ZU;2-8
Abstract
A Ru carbene (8, Scheme 2) that contains an internal metal-oxygen chelate i s an active metathesis catalyst and is readily obtained by the sequential t reatment of Cl2Ru(PPh3)(3) with (2-isopropoxyphenyl)-diazomethane and PCy3. This Ru-carbene complex offers excellent stability to air and moisture and can be recycled in high yield by silica gel column chromatography. The str uctures of this and related complexes have been unambiguously established b y NMR and single-crystal X-ray diffraction studies.