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3-tert-Butyl-1-(4-chloro­phenyl)-7,7-dimethyl-5,6,7,8-tetrahydro­pyrazolo[3,4-b]quinolin-5-one: centrosymmetric dimers generated by C—H⋯π(arene) hydrogen bonds

✍ Scribed by Low, John N. ;Cobo, Justo ;Mera, Jaime ;Quiroga, Jairo ;Glidewell, Christopher

Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
278 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

Molecules of the title compound, C 22 H 24 ClN 3 O, are linked by two pairs of CÐHÁ Á Á%(arene) hydrogen bonds into centrosymmetric dimers.

📜 SIMILAR VOLUMES

3,7,7-Tri­methyl-1-phenyl-1,6,7,8-tetrah
3,7,7-Tri­methyl-1-phenyl-1,6,7,8-tetrahydro-5H-pyrazolo­[3,4-b]­quinolin-5-one
✍ Low, John Nicolson ;Mera, Jaime ;Quiroga, Jairo ;Cobo, Justo 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 488 KB

The title compound, C 19 H 19 N 3 O, crystallizes in the space group P1, with Z H = 2. Weak CÐHÁ Á ÁN, CÐHÁ Á ÁO and CÐ HÁ Á Á% interactions link the molecules into ribbons.

rac-5-Acetyl-6-(4-nitro­phenyl)-6,7-di­h
rac-5-Acetyl-6-(4-nitro­phenyl)-6,7-di­hydro-5H-1,3-dioxolo­[4,5-g]­quinoline-8-one: chains of rings built from C—H⃛O and C—H⃛π(arene) hydrogen bonds
✍ Low, John N. ;Cobo, Justo ;Ortíz, Angy ;Cuervo, Paola ;Abonia, Rodrigo ;Glidewel 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 303 KB

Molecules of the title compound, C 18 H 14 N 2 O 6 , are linked into chains by a combination of one CÐHÁ Á ÁO and one CÐ HÁ Á Á%(arene) hydrogen bond, augmented by a dipolar carbonyl±carbonyl interaction.