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(E)-3-Isopropyl-5,5-dimethyl-2-(phenyl­imino)imidazolidin-4-one

✍ Scribed by Yuan, Ju-Zhen ;Hu, Yang-Gen ;Wei, Jia-Jia ;Ding, Ming-Wu

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
228 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 14 H 19 N 3 O, intermolecular N-HÁ Á ÁO hydrogen bonds form an infinite chain along the a axis. Electron delocalizition affects the C-N bonds.

📜 SIMILAR VOLUMES

(4R,5R)-1,3-Dimethyl-4,5-diphenyl­imidaz
(4R,5R)-1,3-Dimethyl-4,5-diphenyl­imidazolidin-2-one
✍ Kawahata, Masatoshi ;Saito, Noriko ;Ishikawa, Tsutomu ;Yamaguchi, Kentaro 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 127 KB

The title compound, C 17 H 18 N 2 O, was obtained by methylation of (4R,5R)-4,5-diphenylimidazolidin-2-one. The C-O bond exhibits double-bond character, and both C-N bonds in the urea group are intermediate between single and double bonds.

(R)-3-[(E)-3-(2-Fur­yl)acrylo­yl]-5,5-di
(R)-3-[(E)-3-(2-Fur­yl)acrylo­yl]-5,5-dimethyl-4-phenyl­oxazolidin-2-one
✍ Nie, Lei ;Yang, Rui ;Wang, Juan ;Yan, Sheng-Jiao ;Lin, Jun 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 88 KB

The title compound, C 18 H 17 NO 4 , posesses normal geometrical parameters. It was prepared as a key intermediate in the synthesis of enantiomerically pure 2-amino-3-(2-furyl)pentanoic acid via a Knoevenagel E reaction.