Oxidation of urazoles via in situ generation of Cl+ by using N,N,2,3,4,5,6-heptachloroaniline or a UHP/MCln system under mild conditions-Reference-Cited by-同舟云学术

Oxidation of urazoles via in situ generation of Cl+ by using N,N,2,3,4,5,6-heptachloroaniline or a UHP/MCln system under mild conditions

Published:2001-09 Issue:9 Volume:2001 Page:390-393
ISSN:1747-5198
Container-title:Journal of Chemical Research
language:en
Short-container-title:Journal of Chemical Research

Author:

Zolfigol Mohammad Ali¹,Bagherzadeh Mojtaba¹,Chehardoli Gholamabbass¹,Mallakpour Shadpour E²,Mamaghani Manochehr³

Affiliation:

1. Chemistry Department, College of Science, Bu-Ali Sina University, Hamadan, 65174, Iran

2. Organic Polymer Chemistry Research Laboratory, College of Chemistry, Isfahan University of Technology, Isfahan, 84156, IR, Iran

3. Chemistry Department, College of Science, Gilan University, Rasht, Iran

Abstract

A combination of inorganic hydrolysable chloride salts and UHP (hydrogen peroxide–urea complex) in the presence of wet SiO2 was used as an effective oxidising agent for the oxidation of urazoles and bis-urazoles to their corresponding triazolinediones under mild and heterogeneous conditions in good to excellent yields. Oxidation of urazoles and bis-urazoles also occurred with N,N,2,3,4,5,6-heptachloroaniline. The in situ generation of Cl+ appears to be required for the oxidation of urazoles using these reagents.

Publisher

SAGE Publications

Subject

General Chemistry

Link

http://journals.sagepub.com/doi/pdf/10.3184/030823401103170197

Reference47 articles.

1. Solvent effect in pericyclic reactions. IX. The ene reaction.

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