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6,7-Dihydro-6-methyl-3-(methylsulfanyl)-1-(p-tolyl)pyrano[4,3-c]pyrazol-4(1H)-one

✍ Scribed by Hao, Jing-Jun ;Wang, You-Ming ;Li, Zheng-Ming ;Song, Hai-Bing

Publisher: International Union of Crystallography
Year: 2005
Tongue: English
Weight: 112 KB
Volume: 61
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536805011931

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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

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4-(4-Bromophenyl)-3-methyl-1-phenyl-4,5-dihydro-1H-pyrazolo[3,4-b]pyridin-6(7H)-one

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The title compound, C 19 H 16 BrN 3 O, was synthesized by the reaction of 5-amino-3-methyl-1-phenylpyrazole with 4-bromophenylaldehyde and Medrum's acid in glycol under microwave irradiation. X-ray crystal structure analysis reveals three crystallographically independent molecules in the asymmetric

1-(4,5-Dihydro-3-p-tolyl-1H-pyrazol-1-yl

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In the title molecule, C 19 H 9 Cl 2 F 3 N 4 O 2 , all bond lengths and angles are normal. The dihedral angle between the pyrazole and attached benzene rings is 77.5 (2) . The crystal packing is mainly stabilized by van der Waals forces.

6,7-Dihydro-6-meth­yl-3-(methyl­sulfanyl)-1-(p-tolyl)­pyrano[4,3-c]pyrazol-4(1H)-one

6,7-Dihydro-6-methyl-3-(methylsulfanyl)-1-(p-tolyl)pyrano[4,3-c]pyrazol-4(1H)-one