At 173 K, the ®ve-membered ring of the title compound, C 22 H 26 N 2 O 5 , has an envelope conformation. The amine group is involved in both intramolecular and intermolecular hydrogen bonds, the latter linking the molecules into centrosymmetric dimers. ## Experimental The title compound was prepa
✦ LIBER ✦
(1′S,2R,3S,4S)-Ethyl 2-hydroxy-4-methyl-3-(1′-phenylethylcarbamoyl)hexanoate
✍ Scribed by Larionov, Oleg I. ;de Meijere, Armin ;Yufit, Dmitry S. ;Howard, Judith A. K.
- Publisher
- International Union of Crystallography
- Year
- 2004
- Tongue
- English
- Weight
- 511 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
✦ Synopsis
The relative con®guration of the title compound, C 18 H 27 NO 4 , was determined as being R,S,S,S. There are three crystallographically independent molecules in the asymmetric unit, which show only slight conformational differences. Molecules in the crystal structure are connected by hydrogen bonds in ribbons along the a axis.
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