Methyl 4-(piperidin-1-ylcarbon-yl)benzoate

Crystal structure of 4-methyl-N-[2-(piperidin-1-yl)eth-yl]benzamide monohydrate

In the title compound, C15H22N2O·H2O, the dihedral angle between the planes of the piperidine and benzene rings is 31.63 (1)°. The piperidine ring adopts a chair conformation. The water solvent mol-ecule is involved in inter-species O-H⋯O, O-H⋯N, N-H⋯O and weak C-H⋯O hydrogen-bonding inter-actions, giving rise to chains extending along [010].

Crystal structure of 4-chloro-N-[2-(piperidin-1-yl)eth-yl]benzamide monohydrate

In the title compound, C14H19ClN2O2·H2O, the piperdine ring adopts a chair conformation. The dihedral angle between the mean plane of the piperidine ring and that of the phenyl ring is 41.64 (1)°. In the crystal, mol-ecules are linked by O-H⋯N, N-H⋯O and C-H⋯O hydrogen bonds involving the water mol-ecule, forming double-stranded chains propagating along [010].

Crystal structure of 4-chloro-N-{[1-(4-chloro-benzo-yl)piperidin-4-yl]meth-yl}benzamide monohydrate

In the title compound, C₂₀H₂₀Cl₂N₂O₂·H₂O, the piperidine ring adopts a chair conformation with the two substituent benzene rings inclined to one another [dihedral angle 84.63 (9)°]. In the crystal, the components are linked by Ow—H⋯O, N—H⋯Ow (w = water) and C—H⋯O hydrogen bonds, generating a sheet structure lying parallel to (101).

N-[(1-Benzoyl-piperidin-4-yl)meth-yl]benzamide

In the title compound, C20H22N2O2, the piperidine ring adopts a chair conformation. The phenyl rings are inclined to one another by 80.1 (1)° and make dihedral angles of 46.1 (1) and 40.2 (1)° with the mean plane of the piperidine ring. In the crystal, pairs of N-H⋯O hydrogen bonds link the mol-ecules into inversion dimers. C-H⋯O inter-actions further link the mol-ecules, forming a three-dimensional supramolecular network.