In the title compound, C14H10ClF2NO, the dihedral angle between the mean planes of the 4-chloro-phenyl and 3,4-di-fluoro-phenyl rings is 65.2 (1)°. These two planes are twisted by 83.5 (5) and 38.9 (9)°, respectively, from that of the acetamide group. In the crystal, N-H⋯O hydrogen bonds form infinite chains along [100]. Weak C-H⋯O and C-H⋯F inter-actions are also observed and stack mol-ecules ...

The title compound, C(13)H(10)ClN(3)OS, was prepared by the reaction of 3-amino-2-chloropyridine with benzoyl isothio-cyanate at room temperature. The thio-urea group makes dihedral angles of 47.17 (5) and 51.88 (4)°, respectively, with the benzene and pyridyl rings, while the angle between the benzene and pyridine rings is 8.91 (3)°. Inter-molecular hydrogen-bond inter-actions link neighbourin...

The title compound, C(8)H(8)N(6)O, was obtained by the reaction of 3,5-diamino-1,2,4-triazole with ethyl 2-picolinate in a glass oven. The dihedral angles formed between the plane of the amide group and the pyridine and triazole rings are 11.8 (3) and 5.8 (3)°, respectively. In the crystal, an extensive system of classical N-H⋯N and N-H⋯O hydrogen bonds generate an infinite three-dimensional ne...

In the title compound, C(20)H(15)ClN(4)O(7)S·4CH(3)COOH, the central o-vanillin group makes dihedral angles of 9.50 (11) and 42.86 (7)°, respectively, with its attached pyridine and nitro-benzene rings. The crystal packing is stabilized by N-H⋯O, O-H⋯O and O-H⋯N hydrogen bonds and C-H⋯O inter-actions, leading to an infinite three-dimensional network. A short intramolecular C-H⋯O contact is also...

In the title compound, C(9)H(11)NO(3)S, the dihedral angle between the benzene ring and the amide group is 76.7 (3)°. In the crystal, mol-ecules are linked by pairs of C-H⋯O hydrogen bonds into inversion dimers with R(2) (2)(8) ring motifs. The dimers are further connected by N-H⋯O and C-H⋯O hydrogen bonds into an infinite tape running parallel to the b-axis direction.

In the title compound, C(8)H(12)N(4)O(4), the essentially planar methyl-carbamoyloxymethyl group [maximum deviation 0.038 (3) Å] and the imidazole ring make a dihedral angle of 48.47 (3)°. The crystal packing is stabilized by inter-molecular N-H⋯N and C-H⋯O hydrogen bonds, which link the mol-ecules into infinite ribbons running along the a axis, and by weak π-π stacking inter-actions [centroid-...

In the title compound, C(20)H(15)ClFNO, the dihedral angles between the mean planes of the acetamide group and the chloro-fluoro-substituted benzene ring and the two phenyl rings are 10.8 (8), 81.9 (7) and 85.8 (5)°, respectively. The crystal packing is stabilized by N-H⋯O hydrogen bonds and weak C-H⋯O inter-molecular inter-actions, forming infinite chains along the c axis.

In the title compound, C14H10BrF2NO, the dihedral angle between the mean planes of the 4-bromo-phenyl and 3,4-di-fluoro-phenyl rings is 66.4 (1)°. These two planes are twisted by 40.0 (5) and 86.3 (2)°, respectively, from that of the acetamide group. In the crystal, N-H⋯O hydrogen bonds and weak C-H⋯O and C-H⋯F inter-actions form infinite chains along [100].

The mol-ecule of the title compound, C(12)H(9)NO(2), is not planar, the benzene and pyridine rings making a dihedral angle of 32.14 (7)°. The carb-oxy group is slightly twisted with respect to the benzene ring by 11.95 (10)°. In the crystal structure, inter-molecular O-H⋯N hydrogen bonds link neighboring mol-ecules into infinite chains along the c axis.