A mild method for the preparation of 1,3,4-oxadiazoles: Triflic anhydride promoted cyclization of diacylhydrazines

Citation
S. Liras et al., A mild method for the preparation of 1,3,4-oxadiazoles: Triflic anhydride promoted cyclization of diacylhydrazines, SYN COMMUN, 30(3), 2000, pp. 437-443
Citations number
14
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
SYNTHETIC COMMUNICATIONS
ISSN journal
00397911 → ACNP
Volume
30
Issue
3
Year of publication
2000
Pages
437 - 443
Database
ISI
SICI code
0039-7911(2000)30:3<437:AMMFTP>2.0.ZU;2-G
Abstract
Diacylhydrazines undergo cyclization upon treatment with triflic anhydride and pyridine to form the corresponding 1,3,4-oxadiazoles in yields ranging from 70-95%.