(4S)-Benzyl 4-isopropyl-5-oxo-1,3-oxazolidine-3-carboxylate
نویسندگان
چکیده
In the crystal structure of the title compound, C(14)H(17)NO(4), obtained by the reaction of N-benzoxycarbonyl-l-valine, paraformaldehyde and 4-methyl-benzene-sulfonic acid, mol-ecules are linked by C-H⋯O hydrogen bonds, generating linear chains parallel to the a axis. C-H⋯π inter-actions of stacked benzene rings also provide stability for the crystal structure.
منابع مشابه
(4S)-(−)-4-Benzyl-2,2-dimethyl-3-o-toluoyl-1,3-oxazolidine
The absolute configuration of the title compound, C(20)H(23)NO(2), has been confirmed as 4S. The benzyl residue and H atom at the asymmetric C-atom centre occupy pseudo-axial and bis-ectional positions, respectively. The oxazolidine ring adopts an envelope conformation. In the crystal structure, the mol-ecular packing is stabilized by non-classical C-H⋯O hydrogen bonds.
متن کامل(4S)-4-Benzyl-N-{[(4S)-4-benzyl-2-oxo-1,3-oxazolidin-3-yl]sulfonyl}-2-oxo-1,3-oxazolidine-3-carboxamide
The title compound, C(21)H(21)N(3)O(7)S, contains an oxazolidinone ring and a sulfonamide group, both characteristic for biologically and pharrmaceutically active compounds. Both stereogenic centres reveal an S absolute configuration. The two oxazolidinone rings are in an envelope conformation with the methyl-ene carbon flap atoms deviating by 0.428 (1) and 0.364 (2) Å from the best least-squar...
متن کامل1,3-Bis[2-(2-oxo-1,3-oxazolidin-3-yl)ethyl]-1H-benzimidazol-2(3H)-one
The mol-ecular structure of the title compound, C(17)H(20)N(4)O(5), contains a central fused-ring system, comprised of six- and five-membered rings. This unit is linked by C(2) chains to two 2-oxo-1,3-oxazolidine five-membered rings. The central fused-ring system is essentially planar, with a maximum deviation of 0.008 (1) Å from the mean plane. Both oxazolidine five-membered rings are also nea...
متن کامل(1S,3aS,4S,7aS)-Ethyl 1-benzyl-2-(4-methoxybenzyl)-6,7-dimethyl-3-oxo-2,3,3a,4,5,7a-hexahydro-1H-isoindole-4-carboxylate dichloromethane monosolvate
In the title compound, C(28)H(33)NO(4)·CH(2)Cl(2), the pyrrolidone ring adopts a twisted envelope conformation and the cyclo-hexene has a half-chair conformation. In the crystal, weak C-H⋯O hydrogen bonds link the components into chains along [100].
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The title oxazolidine compound, C(27)H(39)NO(2), was synthesized from N-isopropyl-norephedrine. The dihedral angle between the aromatic rings is 70.33 (5)°. The N atom of the heterocycle is oriented to allow intra-molecular O-H⋯N hydrogen bonding with the hydr-oxy substituent.
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