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In the title compound, C28H33NO4·CH2Cl2, the pyrrolidone ring adopts a twisted envelope conformation and the cyclo­hexene 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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In the title compound, C14H16ClNO2, the cyclo­hexyl ring has a chair conformation. The dihedral angle between the benzene ring and the mean plane of the four planar C atoms of the cyclo­hexyl ring is 45.2 (3)°. The two carbonyl groups are trans to one another, with an O=C—C=O torsion angle of −137.1 (3)°. In the crystal, mol­ecules are linked by N—H...O hydrogen bonds forming chains propagating along [001]. A region of disordered electron density, situated near the unit-cell corners, was treated using the SQUEEZE routine in PLATON [Spek (2009). Acta Cryst. D65, 148–155]. It gave a solvent-accessible void of ca 400 Å3 for only 21 electrons. It is probably due to traces of the solvent of crystallization and was not taken into account during structure refinement.
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