Quinazolines 1. Synthesis and chemical reactions of 6-chlorosulfonyl-quinazoline-2,4-diones

  • R. Sh. Kuryazov
  • N. S. Mukhamedov
  • Kh. M. Shakhidoyatov
Article

Abstract

Treatment of quinazoline-2,4-dione and its symmetrical 1,3-dialkyl derivatives with chlorosulfonic acid gave the corresponding 6-chlorosulfonylquinazoline-2,4-diones. Reaction of the compounds obtained with nucleophilic agents (water, ammonia, aliphatic and cyclic amines) gave the corresponding free 2,4-dioxoquinazoline-6-sulfonic acids, 6-sulfamidoquinazoline-2,4-diones, and 2,4-dioxoquinazoline-6-sulfonic acid amides.

Keywords

2,4-dioxoquinazoline-6-sulfonic acid amides 2,4-dioxoquinazoline-6-sulfonic acids symmetrical 1,3-dialkylquinazoline-2,4-diones 6-chlorosulfonylquinazoline-2,4-diones nucleophilic and electrophilic substitution 

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Copyright information

© Springer Science+Business Media, Inc. 2008

Authors and Affiliations

  • R. Sh. Kuryazov
    • 1
  • N. S. Mukhamedov
    • 1
  • Kh. M. Shakhidoyatov
    • 1
  1. 1.S. Yu. Yunusov Institute of the Chemistry of Plant SubstancesAcademy of Sciences Republic of UzbekistanTashkentUzbekistan

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