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Synthesis of Novel Polyfunctionally Substituted Thieno[2,3-c]pyridazines

✍ Scribed by Gaber, Abd El-Aal M.; El-Gaby, Mohamed S. A.; El-Dean, Adel M. Kamal; Eyada, Hassan A.; Al-Kamali, Ahmed S. N.


Book ID
121826775
Publisher
Chinese Electronic Periodical Services
Year
2004
Tongue
English
Weight
62 KB
Volume
51
Category
Article
ISSN
0009-4536

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## Abstract The pyridazines 3, 4, 5, and 7 were obtained by reaction of the hydrazone derivatives 2 with several reagents. By treatment of 5 with acetic acid/hydrochloric acid, the pyrazolo[4,3‐__c__]‐pyridazine 6 was formed. The pyrido‐pyridazine derivatives 8 and 9 were obtained by reaction of 2