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1-(4-tert-Butylbenzyl)-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylic acid

✍ Scribed by Ding, Xiao-Ling ;Dong, Wen-Liang ;Xia, Yong ;Zhao, Bao-Xiang

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
942 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 21 H 21 ClN 2 O 2 , the pyrazole and chlorobenzene rings are coplanar and make a dihedral angle of 79.7 (2) with the tert-butylbenzene ring. The crystal structure displays intermolecular O-HÁ Á ÁO hydrogen bonding.

📜 SIMILAR VOLUMES

1-(4-tert-Butyl­benz­yl)-1H-indole-3-car
1-(4-tert-Butyl­benz­yl)-1H-indole-3-carbaldehyde
✍ Sonar, Vijayakumar N. ;Parkin, Sean ;Crooks, Peter A. 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 134 KB

The title compound, C 20 H 21 NO, was obtained by the reaction of indole-3-carbaldehyde with 4-tert-butylbenzyl chloride and recrystallization of the product from ethanol. The indole ring system is nearly planar and makes a dihedral angle of 74.45 (3) with the plane of the 4-tert-butylphenyl ring.

1-Ethyl-5-methyl-3-methyl­sulfanyl-1H-py
1-Ethyl-5-methyl-3-methyl­sulfanyl-1H-pyrazole-4-carboxylic acid
✍ Wen, Li-Rong ;Li, Ming ;Sun, En-Tao ;Zhou, Jian-Xia 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 243 KB

In the crystal structure of the title compound, C 8 H 12 N 2 O 2 S, the molecules are linked into centrosymmetric dimers by a pair of strong O-HÁ Á ÁO hydrogen bonds. Intermolecular SÁ Á ÁS contacts between adjacent dimers generate a sheet-like structure running parallel to the (211) plane.

Ethyl 3-(4-chlorophenyl)-5-(ethoxycarbon
Ethyl 3-(4-chlorophenyl)-5-(ethoxycarbonyl)-1H-pyrazole-1-acetate
✍ Dong, Wen-Liang ;Dong, Wen-Liang ;Xia, Yong ;Ge, Yan-Qing ;Zhao, Bao-Xiang 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 683 KB

In the title compound, C~16~H~17~ClN~2~O~4~, all bond lengths and angles show normal values. The dihedral angle between the pyrazole ring and the benzene ring is 5.75 (8)°. The molecules are linked into a network by intermolecular C—Cl...π interactions.