Chemistry of Heterocyclic Compounds

, Volume 20, Issue 4, pp 370–372 | Cite as

Synthesis of 1,3,4-triphenyl-1H-pyrazolo[3,4-e][1,4]thiazepin-7-one

  • R. S. Vartanyan
  • A. L. Gyul'budagyan
  • S. A. Vartanyan


The reaction of 5-amino-1,3-diphenylpyrazole with benzaldehyde gives 5-benzylideneamino-1,3-diphenylpyrazole, which then undergoes cyclization with mercaptoacetic acid to give 1,3,4-triphenyl-1H-pyrazolo[3,4-e][1,4]thiazepin-7-one.


Organic Chemistry Benzaldehyde Mercaptoacetic Acid Diphenylpyrazole 
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Literature cited

  1. 1.
    L. R. Swett and J. D. Ratajczyk, West German Patent No. 1939007; Chem. Abstr., 72, 121602 (1970).Google Scholar
  2. 2.
    L. R. Swett, US Patent No. 3891630 (1975); Chem. Abstr., 83, 147510 (1975).Google Scholar
  3. 3.
    L. R. Swett, J. D. Ratajczyk, C. W. Norden, and G. H. Aunilian, J. Heterocycl. Chem., 12, 1137 (1975).Google Scholar
  4. 4.
    C. Joshi Krishna, N. Pathak Vigai, and Garg Urmila, J. Heterocycl. Chem., 17, 789 (1980).Google Scholar
  5. 5.
    C. Joshi Krishna, Dubej Kalpana, and Dandia Aushu, Heterocycles, 16, 71 (1981).Google Scholar

Copyright information

© Plenum Publishing Corporation 1984

Authors and Affiliations

  • R. S. Vartanyan
    • 1
  • A. L. Gyul'budagyan
    • 1
  • S. A. Vartanyan
    • 1
  1. 1.A. L. Mndzhoyan Institute of Fine Organic ChemistryAcademy of Sciences of the Armenian SSRYerevan

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