The title compound, C12H20N2S4, synthesized by the reaction of 2,3,5,6-tetra-kis-(bromo-meth-yl)pyrazine with sodium methane-thiol-ate, crystallizes with a half -mol-ecule in the asymmetric unit. The whole mol-ecule is generated by inversion symmetry; the inversion centre being located in the centre of the pyrazine ring. The mol-ecule has an S-shaped conformation with two (methyl-sulfan-yl)meth...

In the title compound, C23H18O4, the meth-oxy-benzene 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 meth-oxy-benzene 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 gene...

In the title compound, C18H17N3O3, the dihedral angle between the planes of the indazole ring system [maximum deviation = 0.012 (1) Å] and the pyran-2,4-dione ring is 54.03 (6)°. An intra-molecular N-H⋯O hydrogen bond closes an S(6) ring. The same H atom also participates in an inter-molecular N-H⋯O hydrogen bond, which generates an inversion dimer. The dimers are linked by weak C-H⋯O contacts,...

In the title compound, C(20)H(17)NO(4), the double bond of the acrylonitrile group separating the 1-benzofuran moiety from the 3,4,5-trimeth-oxy-phenyl ring has Z geometry. The 1-benzofuran groups are π-π stacked with inversion-related counterparts such that the furan ring centroid-centroid distance is 3.804 (5) Å. The dihedral angle between the planes of the trimeth-oxy-phenyl ring and the acr...

In the title compound, C41H31N3O3, the pyrazole and pyrrolidine rings adopt twisted conformations. The mean plane of the pyrazole ring forms dihedral angles of 9.11 (12) and 39.65 (11)° with the phenyl rings. The O atoms deviate from the mean planes of the chromene and ace-naphthyl-ene ring systems by 0.194 (15) and 0.079 (15) Å, respectively. In the crystal, molecules are linked via pairs of C...

The triazoloquinazole ring system in the title compound, C(15)H(10)N(4)O(2) is approximately planar (r.m.s. deviation = 0.035 Å). The phenyl ring of the phen-oxy substitutent is aligned at 59.3 (1)° with respect to this ring system. In the crystal, two mol-ecules are linked about a center of inversion by a pair of N-H⋯O hydrogen bonds, generating a dimer.

The mol-ecule of the title compound, C(22)H(18)N(4)O(2)S(2), lies across a crystallographic inversion centre. The central benzene ring forms dihedral angles of 29.39 (9) and 79.11 (12)°, respectively, with the thio-urea unit and the terminal phenyl ring. Intra-molecular N-H⋯O hydrogen bonds generate two S(6) ring motifs. In the crystal, mol-ecules are linked into chains along [10] by inter-mole...

In the title compound, C(28)H(24)ClNO(3), the dihedral angles between the central benzene ring and the indole ring system and the chlorobenzene ring are 70.81 (5) and 78.62 (5)°, respectively. The mol-ecular structure is stabilized by a weak intra-molecular C-H⋯O inter-action. In the crystal, pairs of C-H⋯O hydrogen bonds link the mol-ecules into inversion dimers with an R(2) (2)(14) motif.

In the title compound, C21H21FO2S, the cyclo-hexyl ring adopts a chair conformation. The 3-fluoro-phenyl ring makes a dihedral angle of 83.16 (4)° with the mean plane [r.m.s. deviation = 0.005 (1) Å] of the benzo-furan ring system. In the crystal, mol-ecules are linked by pairs of C-H⋯π inter-actions into inversion dimers, which are further packed into stacks along the a-axis direction by C-H⋯π...

In the title compound, C(15)H(13)N(3)O(2), the dihedral angle between the benzotriazole ring system (r.m.s. deviation = 0.0124 Å) and the benzene ring is 76.21 (3)°. The meth-oxy C atom deviates from its benzene ring plane by 0.063 (2)Å. In the crystal, inversion dimers linked by pairs of C-H⋯O hydrogen bonds generate R(2) (2)(12) loops.