The Reactivity Trends in Electrochemical Chlorination and Bromination of N-Substituted and N-Unsubstituted Pyrazoles

Our investigation of electrochemical chlorination and bromination of pyrazoles decorated with electron-withdrawing and electron-donating groups showed that the product yield and composition depended on the substitution at the N-1 atom. We have shown for the first time the significant differences in...

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Bibliographic Details
Published in:Chemistry of heterocyclic compounds (New York, N.Y. 1965) N.Y. 1965), 2014-02, Vol.49 (11), p.1599-1610
Main Authors: Lyalin, B. V., Petrosyan, V. A.
Format: Article
Language:English
Subjects:
Chemical properties
Chemistry
Chemistry and Materials Science
Organic Chemistry
Pharmacy
Substitution reactions
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Summary:Our investigation of electrochemical chlorination and bromination of pyrazoles decorated with electron-withdrawing and electron-donating groups showed that the product yield and composition depended on the substitution at the N-1 atom. We have shown for the first time the significant differences in halogenation reactivity patterns of N-unsubstituted and N-alkylpyrazoles.
ISSN:0009-3122
1573-8353
DOI:10.1007/s10593-014-1411-9