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NOVEL SYNTHESIS OF 4,5-DIHYDROSPIROPYRAZOLE- 5,2′-INDANE-1′,3′-DIONES

✍ Scribed by Hassaneen, Hamdi M.; Elwan, Nehal M.; Hassaneen, Huwaida M.


Book ID
120627078
Publisher
Taylor and Francis Group
Year
2002
Tongue
English
Weight
204 KB
Volume
32
Category
Article
ISSN
0039-7911

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Synthesis of novel pyridazino[4,5-b][1,4
✍ Su-Dong Cho; Deok-Heon Kweon; Young-Jin Kang; Hyun-A Chung; Yong-Jin Yoon 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 299 KB

## Abstract Novel pyridazino[4,5‐__b__][1,4]oxazine‐3,5‐diones were synthesized from __N__‐[2‐(3,4‐dimethoxyphenyl)‐ethyl]‐2‐chloroacetamide (or 2‐chloropropanamide) and 1‐alkyl‐5‐halo‐4‐hydroxypyridazin‐6‐ones in good yield.