New method for the sulfonation of pyrazoles
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