A. Deeb, Mahmoud Kotb, M. El-Abbasy
Feb 1, 2005
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Influential Citations
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Journal
Phosphorus, Sulfur, and Silicon and the Related Elements
Abstract
Abstract The syntheses of pyridazino[4′,3′:4,5]thieno[3,2−d]-1,2,3-triazinones 2, 3, 6, derivatives of the ring system thieno[2,3-c]pyridazine, have been accomplished by a diazotization reaction. Reaction of triazine 3 with phosphorous oxychloride led to 4-chloro derivative 7 which, on further displacement reactions, gives 4-substituted derivatives. All new compounds were characterized by elemental analyses and spectral data.