Dipolarophilic behavior of the isoxazole ring in intramolecular nitrilimine cycloadditions

Authors
Broggini, G Garanti, L Molteni, G Zecchi, G
Citation
G. Broggini et al., Dipolarophilic behavior of the isoxazole ring in intramolecular nitrilimine cycloadditions, HETEROCYCLE, 53(4), 2000, pp. 831-839
Citations number
17
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
HETEROCYCLES
ISSN journal
03855414 → ACNP
Volume
53
Issue
4
Year of publication
2000
Pages
831 - 839
Database
ISI
SICI code
0385-5414(20000401)53:4<831:DBOTIR>2.0.ZU;2-R
Abstract
Upon base treatment with silver carbonate, isoxazolyl-substituted hydrazono yl chlorides (4) and (12) undergo a sequential intra- intermolecular nitril imine cycloaddition giving tetracyclic pyrazolydine derivatives (7) and (15 ).