MICHAEL REACTIONS PROMOTED BY ETA(1)-O-ENOLATORUTHENIUM(II) COMPLEXESDERIVED FROM RU(COD)(COT), DIPHOSPHINE, AND DIMETHYL MALONATE

Authors
ALVAREZ SG HASEGAWA S HIRANO M KOMIYA S
Citation
Sg. Alvarez et al., MICHAEL REACTIONS PROMOTED BY ETA(1)-O-ENOLATORUTHENIUM(II) COMPLEXESDERIVED FROM RU(COD)(COT), DIPHOSPHINE, AND DIMETHYL MALONATE, Tetrahedron letters, 39(29), 1998, pp. 5209-5212
Citations number
24
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
39
Issue
29
Year of publication
1998
Pages
5209 - 5212
Database
ISI
SICI code
0040-4039(1998)39:29<5209:MRPBEC>2.0.ZU;2-H
Abstract
The Michael reaction of 1,3-dicarbonyls with alpha,beta-unsaturated es ters and nitriles has been carried our very efficiently, under mild an d neutral conditions, in the presence of a catalytic amount of trans-h ydrido(eta(1)-O-enolato) ruthenium(II) complex (2), which is prepared from the reaction of Ru(cod)(cot) (1) (cod = cycloocta-1,5-diene; cot = cycloocta-1,3,5-triene) with dimethyl malonate in the presence of 1, 2-bis(diphenylphosphino)ethane (dpe). (C) 1998 Elsevier Science Ltd. A ll rights reserved.