Synthesis of Thiazole, Triazole, Pyrazolo[3,4-b]-Pyridinyl-3-Phenylthiourea, Aminopyrazolo[3,4-b]Pyridine Derivatives and Their Biological Evaluation

@article{Elneairy2000SynthesisOT,
  title={Synthesis of Thiazole, Triazole, Pyrazolo[3,4-b]-Pyridinyl-3-Phenylthiourea, Aminopyrazolo[3,4-b]Pyridine Derivatives and Their Biological Evaluation},
  author={M. A. Elneairy and F. Attaby and M. S. Elsayed},
  journal={Phosphorus, Sulfur, and Silicon and the Related Elements},
  year={2000},
  volume={167},
  pages={161 - 179}
}
Abstract The pyrazolopyridine derivatives 1a,b reacted with phenylisothiocyanate (2), nitrous acid and cinnamonitrile derivatives 5a,b to afford the corresponded pyrazolo[3,4-b]-pyridinyl-3-phenylthiourea derivatives 3a,b, 3-diazotized aminopyrazolo[3,4-b]-pyridine derivatives 4a,b and Schiff bases 7a-d in a respective manner. Compounds 3a,b, 4a,b and 7a,d were taken as the starting materials for the present study owing to the presence of more than one active site. Compounds 3a,b reacted with… Expand
Synthesis of New Substituted Pyridopyrazolotriazines
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