N-[2-(3,4-Dimeth­oxy­phen­yl)eth­yl]-N,4-dimethyl­benzene­sulfonamide

In the title compound, C18H23NO4S, the dihedral angle between the two aromatic rings is 29.14 (7)°. The S atom has a distorted tetra­hedral geometry [106.15 (9)–119.54 (10)°]. The crystal structure exhibits weak C—H⋯O and π–π inter­actions

2-Chloro-4,6-bis­(piperidin-1-yl)-1,3,5-triazine

The title compound, C13H20ClN5, crystallizes with two mol­ecules in the asymmetric unit. The piperidine rings in both mol­ecules adopt chair conformations. Weak π–π inter­actions [centroid–centroid distance = 3.9815 (8) Å] are observed in the crystal structure

2-(4-Bromo­phen­yl)-3-(4-hy­droxy­phen­yl)-1,3-thia­zolidin-4-one

In the title compound, C15H12BrNO2S, the dihedral angle between the two aromatic rings is 87.81 (8)°. The five-membered thia­zolidine ring has an envelope conformation, with the S atom displaced by 0.4545 (7) Å from the mean plane of the other four ring atoms. The crystal structure exhibits O—H⋯O, C—H⋯O, C—H⋯Br and C—H⋯ π inter­actions

N-[2-(3,4-Dimeth­oxy­phen­yl)eth­yl]-N-methyl­benzene­sulfonamide

In the title compound, C17H21NO4S, the phenyl and dimeth­oxy­phenyl rings are almost perpendicular to each other, making a dihedral angle of 82.57 (5)°. The structure is stabilized by inter­molecular C—H⋯O inter­actions and the packing is further enhanced by C—H ⋯π inter­actions

3-Amino­phenyl naphthalene-1-sulfonate

In the title compound, C16H13NO3S, the plane of the naphthalene ring system forms a dihedral angle of 64.66 (10)° with the benzene ring. The mol­ecular structure is stabilized by weak intra­molecular C—H⋯O inter­actions and the crystal packing is stabilized by weak inter­molecular N—H⋯O and C—H⋯O inter­actions and by π–π stacking inter­actions of the inversion-related naphthalene units [centroid–centroid distance of 3.7373 (14) Å]

2,4-Bis(morpholin-4-yl)-6-phen­oxy-1,3,5-triazine

In the title compound, C17H21N5O3, the dihedral angle between the triazine and the phenyl ring is 80.31 (11)°. One of the morpholine rings is disordered over two orientations with site occupancies of 0.762 (10) and 0.238 (10). Both morpholine rings in the mol­ecule adopt chair conformations

(E)-4-[(4-Bromo­benzyl­idene)amino]phenol

In the title compound, C13H10BrNO, the dihedral angle between the benzene rings is 35.20 (8)°. In the crystal, mol­ecules are linked by O—H⋯N hydrogen bonds, forming a zigzag chain along the a axis. A weak C—H⋯π inter­action is observed between the chains

Phenyl naphthalene-2-sulfonate

In the crystal structure of the title compound, C16H12O3S, the dihedral angle between the naphthalene ring system and the phenyl ring is 65.21 (3)°. The molecules are linked by intermolecular C—H...O hydrogen bonds, forming a chain along the a axis. The chains are connected through weak C—H...π interactions

4-Nitrophenyl naphthalene-1-sulfonate

In the crystal structure of the title compound, C16H11NO5S, the plane of the naphthalene ring system forms a dihedral angle of 63.39 (8)° with the benzene ring. The nitro group makes a dihedral angle of 10.73 (16)° with the benzene ring. Weak intra- and intermolecular C—H...O interactions are observed