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Journals and Conferences
In the crystal structure of the title compound, C(10)H(10)N(+)·Cl(-), the two components are connected via N-H⋯Cl hydrogen bonds, forming a layer parallel to the bc plane.
In the title compound, C(13)H(18)N(2)O(4)S, the piperazine ring adopts a chair conformation. The dihedral angle between the least-squares planes through the piperazine and benzene rings is 73.23 (10)°. In the crystal, there are no classical hydrogen bonds but stabilization is provided by weak C-H⋯π inter-actions.
In the title compound, C(13)H(15)F(2)NO, the piperidine ring adopts a chair conformation. The dihedral angle between the least-squares plane of the piperidine ring and the benzene ring is 48.75 (7)°. In the crystal structure, the mol-ecules are connected via C-H⋯O hydrogen bonds, forming a zigzag chain along the b axis.