A novel "type-two" intramolecular Diels-Alder reaction leading to three-atom-bridged tricyclic pyrazoles

Authors
Chou, TS Chen, HC
Citation
Ts. Chou et Hc. Chen, A novel "type-two" intramolecular Diels-Alder reaction leading to three-atom-bridged tricyclic pyrazoles, TETRAHEDR L, 40(5), 1999, pp. 961-964
Citations number
15
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
40
Issue
5
Year of publication
1999
Pages
961 - 964
Database
ISI
SICI code
0040-4039(19990129)40:5<961:AN"IDR>2.0.ZU;2-X
Abstract
(Acryloyloxy)butylated pyrazolo-3-sulfolenes are thermolyzed to the corresp onding o-quinodimethanes which undergo simultaneous "type-two" intramolecul ar Diels-Alder reactions to form two- and three-atom-bridged tricyclic pyra zoles. (C) 1999 Elsevier Science Ltd. All rights reserved.