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CS-W001157 4
Total: USD 88.00

PTAD

  • CAS No. 4233-33-4

  • Cat. No. CS-W017464
  • Purity≥95%
  • MDL No.MFCD00003148

*For research and further manufacturing use only, not for direct human use.

PTAD|CS-W017464

Structure of 4233-33-4

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General Information

  • CAS No. 4233-33-4
  • Cat. No. CS-W017464
  • Purity ≥95%
  • MDL No. MFCD00003148
  • Storage 4°C, protect from light
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₈H₅N₃O₂
  • Molecular Weight 175.14
  • Synonym(s) 4-Phenyl-1,2,4-triazoline-3,5-dione
  • SMILES O=C(N1C2=CC=CC=C2)N=NC1=O

Description

4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) can be used as an efficient and selective reagent for the oxidation of thiols to disulfides.It can also be used:As a dehydrogenating agent to synthesize annulated dihydropyridazines by inverse [4+2] cycloaddition reaction between cyclic alkenes and 1,2,4,5-tetrazines.As a dienophile to synthesize cycloaddition products by fast hetero-DielsAlder reactions.As an efficient oxidizing agent for the synthesis of pyridine derivatives from 1,4-dihydropyridines.In the synthesis of urazoles via [3+2] cycloaddition with allylsilanes.

Synthesis

  • Route1

    References

    • Molina, Claudia L.; Chow, Chun P.; Shea, Kenneth J. Journal of Organic Chemistry, 2007 , vol. 72, # 18 p. 6816 - 6823
  • Route2
    • null|null
      103-71-9
    • ~%
    • In-stock
      PTAD|CS-W017464
      4233-33-4

    References

    • Adam,W.; Carballeira,N. Journal of the American Chemical Society, 1984 , vol. 106, p. 2874
  • Route3
    • Ethyl 2-(phenylcarbamoyl)hydrazinecarboxylate|CS-W013093
      17696-94-5
    • ~%
    • In-stock
      PTAD|CS-W017464
      4233-33-4

    References

    • Adam,W.; Carballeira,N. Journal of the American Chemical Society, 1984 , vol. 106, p. 2874

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

  • TPSA   62.1
  • LogP   2.1988
  • H_Acceptors   2
  • H_Donors   0
  • Rotatable_Bonds   1

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