- 作者: Fawzy A. Attaby, Mohamed A. A. Elneairy, Sanaa M. Eldin and Ali K. K. El-Louh
- 作者服務機構: Chemistry Department, Faculty of Science, Cairo University, Giza, A. R. Egypt and Department of Chemistry of Pesticides, National Research Center, Dokki, Giza, A. R. Egypt
- 中文摘要: 3-Diazotized aminopyrazolo[3,4-b]pyridines 2a,b used as good synthons for the synthesis of 3-thiadiazolinylpyrazolo[3,4-b]pyridines 8a,b through their reactions with thiocyanatoacetophenone (6) and pyrido[2,3:3¢,4¢]pyrazolo[5,1-c][1,2,4]triazines 5a-d via their reactions with several active methylene containing reagents: 3a,b, 12, 16, 20, 23a-d and 26a-c. All the structures of the newly synthesized heterocyclic compounds were established by considering the data of IR, 1H NMR and mass spectra in addition to the synthesis of most newly synthesized heterocyclic compounds via other routes.
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