C-acylation of pyrazole and its derivatives by <i>o</i>-chlorobenzenesulfonylisocyanate

Authors

  • Н. Л. Нам K. A. Timiryazeva Moscow Agricultural Academy, Moscow 127550
  • И. И. Гpaндберг K. A. Timiryazeva Moscow Agricultural Academy, Moscow 127550
  • B. И. Сорокин K. A. Timiryazeva Moscow Agricultural Academy, Moscow 127550

Abstract

N-Substituted pyrazoles with a free 4-position on the ring and not containing electron-acceptor substituents easily react with o-chlorobenzenesulfonylisocyanate according to an electrophilic substitution scheme, forming 4-o-chlorobenzenesulfonylcarbamoyl derivatives.

How to Cite
Nam, N. L.; Grandberg, I. I.; Sorokin, V. I. Chem. Heterocycl. Compd. 1996, 32, 186. [Khim. Geterotsikl. Soedin. 1996, 210.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF01165443

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Published

1996-02-25

Issue

No. 2 (1996)

Section

Original Papers