Reaction of azomethines with acyl isocyanates in presence of sulfur dioxide

  • B. A. Arbuzov
  • N. N. Zobova
  • N. R. Rubinova
Brief Communications


The reactions of acyl isocyanates with azomethines belong to the class of 1,4-dipolar cycloaddition reactions. Substituted 3-oxo-1,2,4-thiadiazole 1,1-dioxides were obtained as the result of three-component reactions in the presence of SO2.


Sulfur Dioxide Sulfur Dioxide Isocyanate Thiadiazole 
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Copyright information

© Plenum Publishing Corporation 1975

Authors and Affiliations

  • B. A. Arbuzov
    • 1
  • N. N. Zobova
    • 1
  • N. R. Rubinova
    • 1
  1. 1.V. I. Ul'yanov Lenin Kazan State UniversityUSSR

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