期刊
JOURNAL OF HETEROCYCLIC CHEMISTRY
卷 43, 期 2, 页码 243-248出版社
HETERO CORPORATION
DOI: 10.1002/jhet.5570430201
关键词
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Ethyl 2-arylhydrazono-3-butyrates 2 reacted with 2-cyano-N-(4-methylphenyl) acetamide la and 2-cyano-N-(thiazol-2-yl)acetamide 1b to give the pyridinedione, 4 and pyridazine 5 derivatives in 3:1 ratio. The products 4 and 5 have been transformed into different phthalazine, pyrimido[4,5-c]pyridazine, pyrido[3,4-c]pyridazine and 1,6-naphthyridine derivatives. The chemical structures have been confirmed by analytical and spectral analysis.
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