Acid Catalyzed Ionic Diels-Alder Reactions in Concentrated Solutions of Lithium Perchlorate in Diethyl Ether

Authors:

PGPaul A. Grieco
Paul A. Grieco
JCJon L. Collins
Jon L. Collins
Scott T. Handy
Scott T. Handy

1 November 1995

journal article
letter
Published by Georg Thieme Verlag KG in Synlett

Vol. 1995 (11) , 1155-1157
DOI:10.1055/s-1995-5222

Abstract

Ketals and orthoesters of unsaturated ketones and esters, respectively, undergo facile, ambient temperature inter- and intramolecular ionic Diels-Alder reactions in 4.0-5.0 M lithium perchlorate-diethyl ether containing a few mol % of camphorsulfonic acid.

Keywords

KETALS OF UNSATURATED KETONES
ORTHOESTERS OF UNSATURATED ESTERS
IONIC DIELS-ALDER REACTION
5.0 M LITHIUM PERCHLORATE-DIETHYL ETHER