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Synthesis of Polyfunctionally Substituted Pyrazolonaphthyridine, Pentaazanaphthalene, and Heptaazaphenanthrene Derivatives

✍ Scribed by Aly, A. A.

Book ID
120040192
Publisher
Taylor and Francis Group
Year
2006
Tongue
English
Weight
323 KB
Volume
181
Category
Article
ISSN
1042-6507

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Synthesis of polyfunctionally substitute
Synthesis of polyfunctionally substituted pyridazines
✍ Ghozlan, Said Ahmed Soliman ;Mohamed, Mona Hassan ;Fakhr, Yehia ;Elnagdi, Mohame πŸ“‚ Article πŸ“… 1990 πŸ› John Wiley and Sons 🌐 English βš– 322 KB

## 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