Chemistry of Heterocyclic Compounds

, Volume 28, Issue 12, pp 1445–1448 | Cite as

Recyclization of 2-amino-4,4-dimethyl-Δ2-1,3,4-thiadiazolin-4-io-5-acetates into 2-dimethyl-hydrazono-2,3-dihydro-4h-1,3-thiazin-4-ones

  • V. Ya. Kauss
  • S. Kh. Grinberga
  • I. Ya. Kalvin'sh


2-Amino-4,4-dimethyl-δ 2-1,3,4-thiadiazolinio-5-acetates were found to recyclize into 2-dimethylhydrazono-2,3-dihydro-4H-1,3-thiazin-4-ones. The similar mass fragmentation of these compounds is explained by the occurrence of a rearrangement under electron impact which is analogous to the chemical recyclization thiadiazolinioacetates.


Organic Chemistry Electron Impact Mass Fragmentation Similar Mass Chemical Recyclization 
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Copyright information

© Plenum Publishing Corporation 1993

Authors and Affiliations

  • V. Ya. Kauss
    • 1
  • S. Kh. Grinberga
    • 1
  • I. Ya. Kalvin'sh
    • 1
  1. 1.Latvian Institute of Organic ChemistryRigaLatvia

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