Download citation
Download citation

link to html
The asymmetric unit of the title compound, C30H46N6O4, contains one half-mol­ecule. The C(benzene)—C(CH2)—N—C(—Me) torsion angle is −79.89 (13)° suggesting a synclinal orientation of the nitro­benzene ring with respect to the macrocycle. The conformation of the macrocycle is stabilized by intra­molecular N—H...N hydrogen bonds.

Download citation
Download citation

link to html
In the title compound, C19H23N, the piperidine ring has a chair conformation. The phenyl rings are inclined to one another by 52.76 (16)°. One of the methyl substituents on the piperidine ring is axial while the other is equatorial, like the phenyl rings. In the crystal, mol­ecules are linked via C—H...π inter­actions, forming zigzag chains along [001].

Download citation
Download citation

link to html
In the title compound, C16H14O4, there is an intra­molecular O—H...O hydrogen bond. The benzene rings are inclined to one another by 13.89 (9)°. The prop-2-en-1-one group is twisted slightly, the O=C—Car—Car (ar = aromatic) and C=C—C=O torsion angles being −10.4 (3) and −7.4 (3)°, respectively. In the crystal, mol­ecules are linked by O—H...O hydrogen bonds, forming chains along [100]. These chains are further linked by O—H...O hydrogen bonds, forming corrugated sheets lying parallel to (010). There are C—H...π inter­actions present within the sheets.

Download citation
Download citation

link to html
In the title compound, C16H14O4, the benzene rings are inclined to one another by 4.91 (7)°. The conformation about the C=O and C=C bonds is trans and cis, respectively. In the crystal, mol­ecules are linked by O—H...O hydrogen bonds, forming inversion dimers with an R22(14) ring motif. The dimers are linked via O—H...O and C—H...O hydrogen bonds, forming undulating two-dimensional networks lying parallel to (10-1). These networks are linked by further C—H...O hydrogen bonds, forming a three-dimensional structure.

Download citation
Download citation

link to html
In the title compound, C23H18O4, the meth­oxy­benzene ring and attached C=C grouping are disordered over two sets of sites in a 0.823 (5):0.177 (5) ratio. The dihedral angles between the central benzene ring and the pendant phenyl and meth­oxy­benzene ring (major orientation) are 51.21 (1) and 51.6 (1)°, respectively. In the crystal, inversion dimers linked by pairs of C—H...O hydrogen bonds generate R22(28) loops.

Download citation
Download citation

link to html
The title mol­ecular salt, C6H9N2+·C4H5O6·H2O, crystallized with two 2-amino-4-methyl­pyridin-1-ium cations, two L-(+)-tartaric acid monoanions [systematic name: (2R,3R)-3-carb­oxy-2,3-di­hydroxy­propano­ate] and two water mol­ecules in the asymmetric unit. In the crystal, the cations, anions and water mol­ecules are linked via a number of O—H...O and N—H...O hydrogen bonds, and a C—H...O hydrogen bond, forming a three-dimensional structure
Follow Acta Cryst. E
Sign up for e-alerts
Follow Acta Cryst. on Twitter
Follow us on facebook
Sign up for RSS feeds