New method for the sulfonation of pyrazoles

Authors

  • И. И. Грандберг K. A. Timiryazeva Moscow Agricultural Academy, Moscow 127550
  • H. Л. Нам K. A. Timiryazeva Moscow Agricultural Academy, Moscow 127550
  • B. И. Сорокин K. A. Timiryazeva Moscow Agricultural Academy, Moscow 127550

Abstract

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

How to Cite
Grandberg, I. I.; Nam, N. L.; Sorokin, V. I. Chem. Heterocycl. Compd. 1997, 33, 532. [Khim. Geterotsikl. Soedin. 1997, 616.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF02291934

Published

1997-05-25

Issue

Section

Original Papers