Single-crystal X-ray study T = 120 K Mean '(C±C) = 0.003 A Ê R factor = 0.052 wR factor = 0.135 Data-to-parameter ratio = 16.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
2-(4-tert-Butylbenzyl)-3-phenylinden-1-one
✍ Scribed by Karban, James W. ;Morgan, Jennifer L. ;Dees, Johnna M. ;Klausmeyer, Kevin K.
- Publisher
- International Union of Crystallography
- Year
- 2004
- Tongue
- English
- Weight
- 188 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 26 H 24 O, was obtained from the reaction of 2-[(4-tert-butyl)phenylmethyl]-1,3-diphenylpropane-1,3dione with acetic anhydride. The reaction yielded 92% of the product. The crystal structure con®rms the formation of the ®ve-membered ring from the parent dione.
📜 SIMILAR VOLUMES
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.
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.
In the title compound, C 39 H 42 BrNO 4 S 2 Si, the Si atom shows a tetrahedral geometry. The phenyl rings attached to the Si atom form a dihedral angle of 54.9 (1) . The molecular packing is stabilized by NÐHÁ Á ÁO hydrogen bonds.
Oxidative cyclization of N-monosubstituted-N'-carboalkoxyguanidines 1 furnish either 1,2,4oxadiazoles 2 or I ,3,4-oxadiazoles 3.1\*2 the latter resulting from rearrangement of the elusive N-carboalkoxy substituted diaziridinimines.