Chemistry of Heterocyclic Compounds

, Volume 33, Issue 5, pp 532–534 | Cite as

New method for the sulfonation of pyrazoles

  • I. I. Grandberg
  • N. L. Nam
  • V. I. Sorokin


It has been found that pyrazoles are readily sulfonated in position 4 by concentrated sulfuric acid in acetic anhydride.


Acetic Sulfonated Organic Chemistry Sulfuric Acid Anhydride 
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Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • I. I. Grandberg
  • N. L. Nam
  • V. I. Sorokin

There are no affiliations available

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