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1.  Ethyl 2-(4-bromophenyl)-1-[3-(1H-imidazol-1-yl)prop­yl]-1H-benzimidazole-5-carboxyl­ate monohydrate 
In the title compound, C22H21BrN4O2·H2O, the two pyrazole rings are essentially planar [maximum deviations 0.002 (1) and 0.002 (1) Å], and form a dihedral angle of 73.46 (9)°. The dihedral angle between the benzene rings is 29.33 (7)°. In the crystal, mol­ecules are connected via C—H⋯O and O—H⋯N hydrogen bonds, forming layers in the ab plane.
doi:10.1107/S160053681104342X
PMCID: PMC3247451  PMID: 22220069
2.  Ethyl 1-[2-(morpholin-4-yl)eth­yl]-2-[4-(trifluoro­meth­yl)phen­yl]-1H-benzimid­azole-5-carboxyl­ate 
In the title compound, C23H24F3N3O3, the morpholine ring adopts a chair conformation. The benzimidazole ring is approximately planar, with a maximum deviation of 0.028 (1) Å for one of the unsubstituted C atoms. The benzimidazole ring makes dihedral angles of 35.66 (4) and 75.45 (5)° with the attached phenyl and morpholine rings, respectively. In the crystal structure, adjacent mol­ecules are linked via C—H⋯F and C—H⋯O hydrogen bonds to form a two-dimensional network.
doi:10.1107/S1600536811014619
PMCID: PMC3089142  PMID: 21754513

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