Safra Izuani Jama Asik

7-Chloro-3-phenyl-benzo[4,5]thia-zolo[2,3-c][1,2,4]triazole.

In the title compound, C14H8ClN3S, the dihedral angle between the approximately planar triple-fused ring system (r.m.s. deviation = 0.065 Å) and the pendant phenyl ring is 62.25 (5)°. In the crystal, molecules are linked into infinite chains along the c-axis direction by C—H⋯N hydrogen bonds. Aromatic π–π stacking interactions [centroid–centroid distances = 3.7499 (8) and 3.5644 (8) Å] and weak C—H⋯π interactions are also observed.

4-(3-Chloro­phen­yl)-3-[(2,6-difluoro­benz­yl)sulfan­yl]-5-(3,4,5-trimeth­oxy­phen­yl)-4H-1,2,4-triazole

In the title compound, C24H20ClF2N3O3S, the essentially planar triazole ring (r.m.s. deviation = 0.001 Å) forms dihedral angles of 22.35 (10), 68.17 (10) and 42.01 (10)° with the mean planes of the trimethoxyphenyl, chlorophenyl and difluorophenyl rings, respectively. A weak intramolecular C—H⋯π interaction occurs. In the crystal, molecules are linked into sheets lying parallel to the bc plane by C—H⋯O and C—H⋯N hydrogen bonds. The crystal packing also features weak C—H⋯π interactions.

2-(4-Chloro-phen-yl)-2-oxoethyl 2-meth-oxy-benzoate.

In the title compound, C16H13ClO4, the two benzene rings make a dihedral angle of 86.38 (8)°. In the crystal, intermolecular C—H⋯O hydrogen bonds link the molecules to form columns along the a axis. The molecules are also stabilized by a π–π stacking interaction, with a centroid–centroid distance of 3.7793 (10) Å between the inversion-related benzene rings.

4-(Morpholin-4-yl)-3-(trifluoro­meth­yl)­benzonitrile

In the title benzonitrile compound, C12H11F3N2O, an intramolecular C—H⋯F hydrogen bond generates an S(7) ring motif. The trifluoromethyl group is disordered over two orientations with a refined occupancy ratio of 0.549 (16):0.451 (16). The morpholine ring adopts a chair conformation. The benzene ring and mean plane of the morpholine ring make a dihedral angle of 58.04 (10)° with each other. In the crystal, molecules are connected by intermolecular C—H⋯F and C—H⋯O interactions to form R 2 2(8) ring motifs. These interactions also link the molecules into chains parallel to the [10] direction.

(E)-1-(3-Hy­droxy­phen­yl)-3-[4-(tetra­dec­yl­oxy)phen­yl]prop-2-en-1-one

In the title compound, C29H40O3, the enone moiety adopts an s-cis conformation. The dihedral angle between the benzene rings is 4.33 (5)° The least-squares mean line through the tetradecyl side chain forms a dihedral angle of 83.99 (7)° with the normal to the attached benzene ring. In the crystal, O—H⋯O and C—H⋯O hydrogen bonds involving the keto and the hydroxy O atoms form ribbons along [-41-1]. The crystal structure also features C—H⋯π interactions.

Ethyl 2-(1,3-benzodioxol-5-yl)-1-[3-(2-oxopyrrolidin-1-yl)prop­yl]-1H-benz­imidazole-5-carboxyl­ate

In the title compound, C24H25N3O5, the benzimidazole and benzodioxole ring systems are each approximately planar [maximum deviations = 0.043 (1) and 0.036 (1) Å, respectively]. Their mean planes form a dihedral angle of 42.85 (4)°. The pyrrolidine ring has an envelope conformation with one of the methylene C atoms forming the flap. In the crystal, weak C—H⋯O hydrogen bonds link the molecules into a three-dimensional network. The crystal packing is further stabillized by weak π–π interactions between the benzene rings within the benzimidazole ring system [centroid–centroid distance = 3.7955 (7) Å]. A weak C—H⋯π interaction involving the benzodioxole ring is also present.

Ethyl 2-(1,3-benzodioxol-5-yl)-1-[3-(1H-imidazol-1-yl)prop-yl]-1H-benzimidazole-5-carboxyl-ate.

In the title compound, C23H22N4O4, the essentially planar [maximum deviation = 0.022 (1) Å] benzimidazole ring system forms dihedral angles of 86.16 (7) and 37.38 (6)°, respectively, with the imidazole and benzene rings. The dioxolane ring adopts an envelope conformation with the methylene C atom at the flap. In the crystal, C—H⋯O and C—H⋯N interactions link the molecules into a ribbon along the a axis. The crystal packing is further stabilized by weak π–π stacking interactions [centroid–centroid distances = 3.5954 (8) and 3.7134 (8) Å] and C—H⋯π interactions.

2-(4-Bromo-phen-yl)-2-oxoethyl anthracene-9-carboxyl-ate.

In the title compound, C23H15BrO3, the anthracene ring system is essentially planar [maximum deviation = 0.29 (2) Å] and makes a dihedral angle of 5.74 (8)° with the mean plane of the bromo-substituted benzene ring. An intramolecular C—H⋯O hydrogen bond generates an S(9) ring motif. In the crystal, molecules are linked by C—H⋯O interactions, forming a two-dimensional network parallel to the ac plane. π–π stacking interactions are observed between benzene rings [centroid–centroid distances = 3.5949 (14) and 3.5960 (13) Å].

(1E,2E)-1,2-Bis[1-(3-nitro­phen­yl)ethyl­idene]hydrazine

The asymmetric unit of the title compound, C16H14N4O4, contains one half-molecule of (nitrophenyl)ethanimine and the complete molecule is generated by a crystallographic inversion centre. The molecule has an E conformation with respect to each C=N double bond. The central C=N—N=C plane is twisted from the benzene rings with a dihedral angle of 24.76 (11)°. In the crystal, C—H⋯O interactions link the molecules to form sheets that lie parallel to (10-4).

Ethyl 2-(4-meth-oxy-phen-yl)-1-[3-(2-oxopyrrolidin-1-yl)prop-yl]-1H-benzimidazole-5-carboxyl-ate.

The asymmetric unit of the title compound, C24H27N3O4, contains two molecules, A and B. The benzimidazole rings are essentially planar [maximum deviations = 0.0144 (10) and 0.0311 (8) Å in A and B, respectively]. The dihedral angle between the benzimidazole mean plane and its attached benzene ring is 36.90 (5) ° for molecule A and 51.40 (5) ° for molecule B. In both molecules, the pyrrolidine ring adopts an envelope conformation with a C atom as the flap. In molecule B, the flap C atom is disordered over two positions in a 0.711 (6):0.289 (6) ratio. In the crystal, C—H⋯O interactions link the molecules, generating [100] chains. The crystal packing also features weak π–π interactions between the imidazole and benzene rings [centroid–centroid distances = 3.8007 (7) and 3.8086 (7) Å] and between the benzene rings [centroid–centroid distance = 3.7001 (7) Å] and C—H⋯π interactions involving the benzene rings.