The title compound, C16H20N2O2S2, crystallizes with two enanti-omers (A and B) in the asymmetric unit. The most noticeable difference between these two mol-ecules is the relative orientation of the benzo-thia-zole rings, with S-C-C-S torsion angles of -19.4 (2) (mol-ecule A) and 100.6 (1)° (mol-ecule B). The amide structure of the thia-zolidinone rings leads to inter-molecular hydrogen-bonded d...

In the title compound, C(16)H(11)F(4)N(3)S, the dihedral angles between the thia-diazole ring and the difluorobenzyl rings are 81.95 (7) and 81.96 (7)°, whereas the dihedral angle between the difluorobenzyl rings is 11.41 (7)°. In the crystal structure, C-H⋯N and C-H⋯F inter-actions link the mol-ecules into two-dimensional arrays parallel to the bc plane.

In the title molecule, C(26)H(24)N(4)O(2)S, the dihedral angle between the isoxazole ring and the adjoining benzene ring is 21.4 (5)°, and between the isoxazole ring and the thia-zole ring is 14.3 (4)°. The piperidine ring is in a chair conformation. In the crystal structure, mol-ecules are linked by inter-molecular N-H⋯O and weak C-H⋯O hydrogen bonds into one-dimensional chains along [001].

In the structure of the title compound, C(18)H(15)ClN(4)O(4)S, the dihedral angle between the two benzene rings is 1.4 (3)°. The angle between the phenyl ring and thia-diazole ring is 5.8 (4)°. The conformations of the N-H and C=O bonds are anti with respect to each other. In the crystal structure, mol-ecules are linked by inter-molecular O-H⋯N, N-H⋯O and O-H⋯O hydrogen bonds, forming a three-d...

In the title compound, C(17)H(14)N(2)O(4)S·0.5H(2)O, the mol-ecule, with the exception of the two meth-oxy-phenyl groups, is nearly planar with an r.m.s. deviation of 0.0305 Å. The two 2-meth-oxy-phenyl rings make dihedral angles of 4.1 (3) and 2.3 (3)° with the thia-diazole ring. In the crystal, inter-molecular C-H⋯O and O-H⋯N hydrogen bonds link the mol-ecules.

The mol-ecule of the title compound, C(16)H(9)ClN(2)OS, is approximately planar, the dihedral angle between the thia-zolo[3,2-a]benzimidazole ring system and the 4-chloro-phenyl ring being 2.10 (5)°. An intra-molecular C-H⋯S inter-action generates an S(6) ring motif. In the crystal, mol-ecules are stacked into columns along the b axis by π-π inter-actions with centroid-centroid distances of 3.6...

In the title compound, C(16)H(12)ClNOS, the seven-membered thia-zepine ring adopts a distorted twisted boat conformation. The dihedral angle between the least-squares planes of the 1,5-benzothia-zepine ring system and the benzene ring is 50.2 (1)°. In the crystal, pairs of N-H⋯O hydrogen bonds link centrosymmetrically related mol-ecules into dimers, generating R(2) (2)(8) ring motifs. The cryst...

In the title compound, C(14)H(13)NO(2)S, the thia-zolidine ring is approximately planar with a maximum deviation of 0.112 (1) Å. The furan ring is disordered over two orientations, with an occupancy ratio of 0.901 (5):0.099 (5). The central thia-zolidine ring makes dihedral angles of 85.43 (8), 87.50 (11) and 87.9 (9)° with the phenyl ring and the major and minor components of the disordered fu...

In the title compound, C(16)H(13)N(3)OS, the thio-morpholine ring exists in a screw boat conformation. The angle between the benzimidazole ring system and the benzene ring fused to the thia-zine ring is 67.22 (6)°. In the crystal, mol-ecules form infinite chains along the a axis via inter-molecular N-H⋯N inter-actions. C-H⋯π inter-actions also contribute to the stability of the crystal structure.

The asymmetric unit of the title compound, C(15)H(18)BrN(3)O(2)S, contains two independent mol-ecules in both of which the (thia-zine)C=N-N double bond exhibits an E conformation. The cyclo-hexyl rings adopt chair conformations while the thia-zine rings are in sofa conformations. The mean planes of these rings are oriented at dihedral angles of 64.43 (13) and 28.6 (2)° in the two independent mo...