CATALYSIS BY LITHIUM PERCHLORATE IN DICHLOROMETHANE - DIELS-ALDER REACTIONS AND 1,3-CLAISEN REARRANGEMENTS

Authors
REETZ MT GANSAUER A
Citation
Mt. Reetz et A. Gansauer, CATALYSIS BY LITHIUM PERCHLORATE IN DICHLOROMETHANE - DIELS-ALDER REACTIONS AND 1,3-CLAISEN REARRANGEMENTS, Tetrahedron, 49(27), 1993, pp. 6025-6030
Citations number
19
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron → ACNP
ISSN journal
00404020
Volume
49
Issue
27
Year of publication
1993
Pages
6025 - 6030
Database
ISI
SICI code
0040-4020(1993)49:27<6025:CBLPID>2.0.ZU;2-K
Abstract
Lithium perchlorate suspended in dichloromethane is an efficient catal yst (4 - 25 mol%) for stereoselective Diels-Alder, hetero-Diels-Alder and regioselective 1,3-Claisen rearrangements; this process is milder, safer and environmentally less precarious than the use of 1 - 5 molar solutions of LiClO4 in ether described previously in the literature.