An orthorhombic polymorph of 3,5-bis[4-(dimethylamino)benzylidene]-1-methyl-4-piperidone
✍ Scribed by Nesterov, Vladimir N. ;Sarkisov, Sergey S. ;Curley, Michael J. ;Urbas, Augustine
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 231 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
Single-crystal X-ray study T = 100 K Mean (C-C) = 0.005 A R factor = 0.052 wR factor = 0.112 Data-to-parameter ratio = 10.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
📜 SIMILAR VOLUMES
Unlike the previously known monoclinic form, the orthorhombic polymorph of dichlorobis[4-(dimethylamino)phenyl]tellurium, C 16 H 20 Cl 2 N 2 Te, shows secondary TeÁ Á ÁCl interactions.
An orthorhombic modification of
## Abstract magnified image A facile and efficient method for the preparation of α,α′‐bis(substituted benzylidene)‐1‐carbethoxy‐4‐piperidone is described using iodine as a catalyst in acetonitrile. The reaction proceeds rapidly at room temperature, giving high yields of products.
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