Inverse electron demand Diels-Alder reaction - A facile synthetic route topyrazoles from conjugated oximes utilizing diimides as dipolarophile

Authors
Ahmed, S Longchar, M Boruah, RC
Citation
S. Ahmed et al., Inverse electron demand Diels-Alder reaction - A facile synthetic route topyrazoles from conjugated oximes utilizing diimides as dipolarophile, I J CHEM B, 38(2), 1999, pp. 125-127
Citations number
25
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY
ISSN journal
03764699 → ACNP
Volume
38
Issue
2
Year of publication
1999
Pages
125 - 127
Database
ISI
SICI code
0376-4699(199902)38:2<125:IEDDR->2.0.ZU;2-#
Abstract
Conjugated oximes are converted into pyrazoles in a one-not reaction by ref luxing with hydrazine and iodin: in ethanol. The reaction proceeds via an i nverse electron demand Diels-Alder reaction involving electron deficient he terodienes and diimide species as dipolarophile.