Cyclization of pyrazolones: novel synthesis of pyrano, pyrido, pyrimido and spiropyrazole derivatives

Faculty Science Year: 2018
Type of Publication: ZU Hosted Pages:
Authors:
Mohammed Juma Mohammed Aass
Journal: Journal of the Iranian Chemical Society Springer Volume:
Keywords : Cyclization , pyrazolones: novel synthesis , pyrano, pyrido,    
Abstract:
Depending on the reaction conditions, two alternative cyclizations are possible for [3 + 3] cyclocondensation of pyrazolone derivative 1a and ethyl cyanoacetate of type pyrano [2,3-c] pyrazol-6(1H)-one 2 and pyrano [2,3-c] pyrazol-4(1H)-on
    
     
 
       

Author Related Publications

  • Mohammed Juma Mohammed Aass, "synthesis and antimicrobial evaluation of some new pyrimidines and condensed pyrimidines", elsevier, 2017 More
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  • Mohammed Juma Mohammed Aass, "Facile synthesis of some condensed 1,3-thiazines and thiazoles under conventional conditions :antitumor activity", Springer, 2017 More
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  • Mohammed Juma Mohammed Aass, "Anti-cancer and kinase inhibitor activity of synthesized heterocyclic substituted thiophene fused with cyclhexan derivatives", Elsevier, 2019 More

Department Related Publications

  • Mohamed Gamal Helmy Mohamed Abdelwahed, "Electronic Properties of Organic Complexes. 2. Reactive Azodyes", Spain, 1993 More
  • Mohamed Gamal Helmy Mohamed Abdelwahed, "Electrical Behaviour of some Azodye Mixed Ligand with Gd3+ and Er3+. b", Peru, 1994 More
  • Atef Mohamed AbdelHamid Ali Hassn, "heterocyclization of thiouracil derivative: synthesis of thiazolopyrimidines, tetrazolopyrimidines and triazolopyrimidines of potential biological activity", elsevier, 2015 More
  • Haitham Mahmoud Amin Hassan Ashry, ". Electrochemical response of natural and induced passivation of high strength duplex stainless steels in alkaline media", Journal of Solid State Electrochemistry, 2012 More
  • Mohammed Aref Awad Allah Abu Zyd, "Synergistic positive effects of nano barium silicate on the hydration rate and phase composition of alkali-activated slag", Elsevier, 2022 More
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