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Chemistry of Heterocyclic Compounds

, Volume 32, Issue 2, pp 186–188 | Cite as

C-acylation of pyrazole and its derivatives byo-chlorobenzenesulfonylisocyanate

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

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.

Keywords

Organic Chemistry Pyrazole Electrophilic Substitution Substitution Scheme 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    N. L. Nam, I. I. Grandberg, and V. I. Sorokin, Khim. Geterotsikl. Soedin., No. 1, 45 (1994).Google Scholar
  2. 2.
    A. N. Kost and I. I. Grandberg, Adv. Heterocyclic Chem.,6, 157 (1966).Google Scholar
  3. 3.
    R. Graf, Lieb. Ann.,661, 111 (1963).Google Scholar

Copyright information

© Plenum Publishing Corporation 1996

Authors and Affiliations

  • N. L. Nam
    • 1
  • I. I. Grandberg
    • 1
  • V. I. Sorokin
    • 1
  1. 1.K. A. Timiryazev Moscow Agricultural AcademyMoscow

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