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3-(4-Bromo­phen­yl)cyclo­butanone

✍ Scribed by Lo, Jem-Mau ;Chen, Mei-Hsun ;Cheng, Jack ;Chen, Chun-Yu ;Lu, Tian-Huey

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

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✦ Synopsis

The title compound, C 10 H 9 BrO, was produced via the [2 + 2]cycloaddition reaction of 4-bromostyrene with trichloroacetyl chloride followed by dechlorination. The molecule is folded, as shown by the dihedral angle of 45.5 (7) between the rings.

📜 SIMILAR VOLUMES

[3-Benzoyl-2,4-bis­(3-bromo­phen­yl)cycl
[3-Benzoyl-2,4-bis­(3-bromo­phen­yl)cyclo­butyl](phen­yl)methanone
✍ Fun, Hoong-Kun ;Chantrapromma, Suchada ;Goswami, Shyamaprosad ;Jana, Subrata 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 264 KB

Molecules of the title compound, C 30 H 22 Br 2 O 2 , lie across crystallographic inversion centres. The dihedral angle between the phenyl and bromobenzene rings is 23.88 (8) . Weak C-HÁ Á ÁO interactions link the molecules into ribbons along the a axis.

1-(2-Bromo­phen­yl)cyclo­hexa­necarbonit
1-(2-Bromo­phen­yl)cyclo­hexa­necarbonitrile
✍ Lemmerer, Andreas ;Michael, Joseph P. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 161 KB

The cyclohexane ring in the title compound, C 13 H 14 BrN, adopts a chair conformation with an axial nitrile substituent. Ar-HÁ Á ÁN bridges stabilize the crystal packing.

3-(4-Bromo­phen­yl)-5-(4-chloro­phen­yl)
3-(4-Bromo­phen­yl)-5-(4-chloro­phen­yl)-1-phenyl-2-pyrazoline
✍ Guo, Huan-Mei ;Jian, Fang-Fang ;Xiao, Hai-Lian ;Sun, Xiao-Zheng ;Li, Yu-Feng 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 152 KB

In the title structure, C~21~H~16~BrClN~2~, the pyrazoline ring is approximately coplanar with the __N__-substituted phenyl ring. The dihedral angles formed by the pyrazoline ring with the 4-chlorophenyl and 4-bromophenyl rings are 78.82 and 10.9°, respectively.