In the title compound, C(21)H(22)O(2)S, the cyclo-hexyl ring adopts a chair conformation. The phenyl ring makes a dihedral angle of 84.80 (4)° with the mean plane of the benzofuran fragment. In the crystal, mol-ecules are linked through weak inter-molecular C-H⋯O hydrogen bonds.

In the title compound, C22H24O2S, the cyclo-hexyl ring adopts a chair conformation. The dihedral angle between the mean planes of the benzo-furan and 3-methyl-phenyl moieties is 86.48 (4)°. In the crystal, mol-ecules are connected along the a-axis direction by two different inversion-generated pairs of C-H⋯π and C-H⋯O inter-actions.

In the title compound, C20H25NO2, the cyclo-hexyl ring adopts a slightly disordered chair conformation. The dihedral angle between the mean planes of the quinoline ring and the carboxyl-ate group is 22.2 (6)°. In the crystal, weak C-H⋯N inter-actions make chains along [010].

In the title mol-ecule, C(22)H(35)O(2)P, the two cyclo-hexyl rings exhibit chair conformations. In the crystal, mol-ecules related by translation along the b axis are linked by the weak inter-molecular C-H⋯O hydrogen bonds.

In the title compound, C17H21ClO2S, the cyclo-hexyl ring adopts a chair conformation with the C-S bond in an equatorial orientation. In the crystal, mol-ecules are linked by C-H⋯O and C-H⋯π hydrogen bonds and a Cl⋯π [3.594 (2) Å] contact into chains along the a-axis direction.

In the title compound, C(21)H(21)FO(2)S, the cyclo-hexyl ring adopts a chair conformation. The 3-fluoro-phenyl ring makes a dihedral angle of 38.38 (6)° with the mean plane [r.m.s. deviation = 0.010 (1) Å] of the benzofuran fragment. In the crystal, mol-ecules are linked by weak C-H⋯O hydrogen bonds.

The title compound, C(15)H(21)NO(4)S, crystallized with two independent mol-ecules in the asymmetric unit in which the dihedral angles between the mean planes of the benzene and cyclo-hexane rings are 78.3 (2) and 67.6 (2)°. The substituents of the cyclo-hexyl rings are in equatorial orientations. In the crystal, both mol-ecules form R(2) (2)(6) carb-oxy-lic acid inversion dimers via pairs of O...

In the title compound, C(13)H(16)ClNO, the cyclo-hexyl ring adopts a chair conformation, with puckering parameters Q = 0.576 (3) Å, θ = 0.1 (3) and ϕ = 8 (15)°. In the crystal structure, inter-molecular N-H⋯O hydrogen bonds link mol-ecules into one-dimensional chains propagating in [010].

The title compound {systematic name: [1-(carboxy-meth-yl)cyclo-hexyl]methanaminium 2,4,6-trinitro-phenolate}, C(9)H(18)NO(2) (+)·C(6)H(2)N(3)O(7) (-), was synthesized from picric acid and gabapentin. The crystal packing is stabilized by intra-molecular N-H⋯O=N and N-H⋯O-Ph hydrogen bonds. An O-H⋯O inter-action is also present.

In the title mononuclear nickel(II) complex, [Ni(C(20)H(20)N(2)O(2))], the Ni atom is four-coordinated in a square-planar geometry by the four donor atoms of the Schiff base ligand. The dihedral angle between the two benzene rings is 9.4 (2)°. The cyclo-hexyl group adopts a C-form chair conformation.