Silica chloride/NaNO2 as a novel heterogeneous system for the oxidation ofurazoles under mild conditions

Citation
Ma. Zolfigol et al., Silica chloride/NaNO2 as a novel heterogeneous system for the oxidation ofurazoles under mild conditions, TETRAHEDRON, 57(39), 2001, pp. 8381-8384
Citations number
44
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON
ISSN journal
00404020 → ACNP
Volume
57
Issue
39
Year of publication
2001
Pages
8381 - 8384
Database
ISI
SICI code
0040-4020(20010924)57:39<8381:SCAANH>2.0.ZU;2-9
Abstract
Urazoles and bis-urazoles can be converted in excellent yields to their cor responding triazolinediones, with a combination of silica chloride (I), wet SiO2 and sodium nitrite in dichloromethane at room temperature. (C) 2001 E lsevier Science Ltd. All rights reserved.