Synthesis of novel pyridazino[4,5-b][1,4
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Su-Dong Cho; Deok-Heon Kweon; Young-Jin Kang; Hyun-A Chung; Yong-Jin Yoon
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Article
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1998
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Journal of Heterocyclic Chemistry
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English
โ 299 KB
## Abstract Novel pyridazino[4,5โ__b__][1,4]oxazineโ3,5โdiones were synthesized from __N__โ[2โ(3,4โdimethoxyphenyl)โethyl]โ2โchloroacetamide (or 2โchloropropanamide) and 1โalkylโ5โhaloโ4โhydroxypyridazinโ6โones in good yield.