Novel Synthesis of Thieno[2,3-c]Pyridazine and Pyrimido[4',5':4,5]thieno[2,3-c]pyridazine Derivatives

A. M. Kamal El-Dean Department of Chemistry, Faculty of Science, Assiut University, Assiut, Egypt

M. S. A. El-Gaby Department of Chemistry, Faculty of Science, Al-Azhar University at Assiut, Assiut, Egypt

A. M. Gaber Department of Chemistry, Faculty of Science, Assiut University, Assiut, Egypt

H. A. Eyada Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt

A. S. N. Al-Kamali

Abstract

Novel series of thieno[2,3-c]pyridazines and pyrimido[4′,5′:4,5] thieno-[2,3-c]pyridazines have been synthesized from the readily accessible 4-cyano-5,6-dimethylpyridazin-3(2H)-thione 3b.

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Novel Synthesis of Thieno[2,3-c]Pyridazine and Pyrimido[4',5':4,5]thieno[2,3-c]pyridazine Derivatives

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Novel Synthesis of Thieno[2,3-c]Pyridazine and Pyrimido[4',5':4,5]thieno[2,3-c]pyridazine Derivatives

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