B. K. Revathi

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The title compound, C12H18N2·0.5H2O, crystallizes with two independent organic mol-ecules (A and B) in the asymmetric unit, together with a water mol-ecule of crystallization. The diazepine rings in each mol-ecule have a chair conformation. The dihedral angle between benzene ring and the mean plane of the diazepine ring is 21.15 (12)° in mol-ecule A and(More)
In the racemic title compound, C21H24ClNO, the dihedral angle between the planes of the benzene rings is 86.52 (14)° and those between the benzene rings and the piperidine ring are 61.66 (14) and 86.39 (14)°. The piperidine ring adopts a twisted boat conformation. No directional inter-actions could be detected in the crystal.
The title compound, C13H14NO2F3, crystallises with two mol-ecules, A and B, in the asymmetric unit, with similar conformations. The dihedral angles between the piperidine and phenyl rings are 83.76 (2) and 75.23 (2)° in mol-ecules A and B, respectively. The bond-angle sums around the N atoms [359.1 and 359.7° for mol-ecules A and B, respectively] indicate(More)
The whole mol-ecule of the title compound, C14H9NO6, is generated by twofold rotation symmetry; the twofold axis bis-ects the nitro group and the benzene ring. The nitro group is inclined to the benzene ring by 14.42 (9)°. The prop-2-yn-1-yl groups are inclined to the benzene ring by 13 (2)° and to each other by 24 (3)°; one directed above the plane of the(More)
The title compound, C13H16ClNO2, crystallized with two independent mol-ecules in the asymmetric unit (A and B). The piperidinol ring in mol-ecule B is disordered over two positions with a site occupancy ratio of 0.667 (5):0.333 (5). In both mol-ecules these rings have a chair conformation, including the minor component in mol-ecule B. Their mean planes are(More)
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].
The mol-ecular structure of the title compound, C21H18O4, consists of a 3,4-di-meth-oxy-phenyl ring and a naphthalene ring system linked via a prop-2-en-1-one spacer. The mol-ecule is almost planar, with a dihedral angle between the benzene ring and the naphthalene ring system of 2.68 (12)°. There is an intra-molecular O-H⋯O hydrogen bond involving the(More)
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(More)
The title compound, C22H20O5, is composed of a hy-droxy-naphthyl ring and a tri-meth-oxy-phenyl ring [the planes of which are inclined to one another by 21.61 (10)°] bridged by an unsaturated prop-2-en-1-one group. The mean plane of the prop-2-en-1-one group [-C(=O)-C=C-] is inclined to that of the naphthyl system and benzene rings by 3.77 (14) and 18.01(More)
In the title compound, 0.75C12H14ClNO2·0.25C12H14ClNO, which is an adduct comprising 0.75 4-hy-droxy-piperidin-1-yl or 0.25 4-piperidin-1-yl substituents on a common (4-chloro-phen-yl)methanone component; the dihedral angles between the benzene ring and the two piperidine rings are 51.6 (3) and 89.5 (7)°, respectively. The hy-droxy-piperidine ring is in a(More)