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Synthesis of 3-alkenyl-4-oxo-6,7-dihydro-1H-pyrano[4,3-c]pyrazole derivatives

✍ Scribed by Bernard Chantegrel; Abdel-Ilah Nadi; Suzanne Gelin

Book ID
112127327
Publisher
Journal of Heterocyclic Chemistry
Year
1984
Tongue
English
Weight
122 KB
Volume
21
Category
Article
ISSN
0022-152X

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📜 SIMILAR VOLUMES

1-Benzoyl-6-methyl-3-methyl­sulfanyl-6,7
1-Benzoyl-6-methyl-3-methyl­sulfanyl-6,7-dihydro-1H-pyrano[4,3-c]pyrazol-4-one
✍ Hao, Jing-Jun ;Gao, Feng ;Wang, You-Ming ;Li, Zheng-Ming 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 83 KB

The title compound was synthesized by adding benzohydrazide (0.136 g, 1 mmol) to an absolute ethanol solution (30 ml) containing 3-[bis(methylsulfanyl)methylene]dihydro-6-methyl-3H-pyran-2,4-dione (0.232 g, 1 mmol). The mixture was stirred for 5.5 h at room temperature. The product was obtained by s