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

Autor: Hong-Chuan Chen, Ta-Shue Chou
Rok vydání: 1999
Předmět:
Zdroj: Tetrahedron Letters. 40:961-964
ISSN: 0040-4039
Popis: (Acryloyloxy)butylated pyrazolo-3-sulfolenes are thermolyzed to the corresponding o -quinodimethanes which undergo simultaneous “type-two” intramolecular Diels-Alder reactions to form two- and three-atom-bridged tricyclic pyrazoles.
Databáze: OpenAIRE