Chemistry of Heterocyclic Compounds

, Volume 26, Issue 1, pp 103–107 | Cite as

Structure of products of addition of thiosemicarbazides and thiosemicarbazones to acetylenedicarboxylic acid and its dimethyl ester

  • V. Ya. Kauss
  • É. É. Liepin'sh
  • I. Ya. Kalvin'sh
  • É. Lukevits
Article
  • 47 Downloads

Abstract

Addition of 1, 1-di-, 1, 4-di-, and 1, 1, 4-trisubstituted thiosemicarbazides to acetylenedicarboxylic acid and its dimethyl ester affords 2-hydrazono-4-oxo-1, 3-thiazolidine-δ5,α-acetic acids, while 4-monosubstituted thiosemicarbazides give 2-imino-3-amino-1, 3-thiazolidin-4-ones.

Keywords

Ester Organic Chemistry Dimethyl Thiosemicarbazones Thiosemicarbazides 

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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • V. Ya. Kauss
    • 1
  • É. É. Liepin'sh
    • 1
  • I. Ya. Kalvin'sh
    • 1
  • É. Lukevits
    • 1
  1. 1.Institute of Organic SynthesisAcademy of Sciences of the Latvian SSRRiga

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