Dimethyl 3,3'-[(4-nitro-phen-yl)methyl-ene]bis-(1-indole-2-carboxyl-ate) ethanol hemisolvate.

There are two main molecules in asymmetric unit of the title compound, CHNO·0.5CHOH. In both, the indole ring systems are approximately perpendicular to each other, at dihedral angles of 69.

7,8-Dimethyl-11-indeno-[1,2-]quinoxalin-11-one.

In the title compound, CHNO, the mean planes of the indene ring and quinoxaline system (r.m.s.

11,11-Diphenyl-11-indeno-[1,2-]quinoxaline.

In the title compound, CHN, the mean planes of the pendant benzene rings are approximately perpendicular to one another, making a dihedral angle of 79.3 (5)°; the indeno-[1,2-]quinoxaline ring system (r.m.

Diethyl 3,3'-[(3-fluoro-phen-yl)methyl-ene]bis-(1-indole-2-carboxyl-ate).

In the title compound, CHFNO, the mean planes of the indole ring systems are approximately perpendicular to one another [dihedral angle = 88.3 (4)°]. The benzene ring is twisted with respect to the indole ring systems by 49.

Crystal structure of diethyl 3,3'-[(4-nitro-phen-yl)methyl-ene]bis-(1-indole-2-carboxyl-ate).

In the title compound, CHNO, the mean planes of the two indole ring systems (r.m.s.

Crystal structure of diethyl 3,3'-[(2,4-di-chloro-phen-yl)methyl-idene]bis-(1-indole-2-carboxyl-ate).

In the title compound, CHClNO, the mean planes of the two indole ring systems (r.m.s.

Crystal structure of diethyl 3,3'-[(2-fluoro-phen-yl)methyl-idene]bis-(1-indole-2-carboxyl-ate).

In the title compound, CHFNO, the mean planes of the two indole ring systems (r.m.s.

Crystal structure of dimethyl 3,3'-[(4-fluoro-phen-yl)methyl-ene]bis-(1H-indole-2-carboxyl-ate).

In the title compound, C27H21FN2O4, the mean planes of the indole ring systems (r.m.s.

Crystal structure of dimethyl 3,3'-[(3-fluoro-phenyl)methyl-ene]bis-(1H-indole-2-carboxyl-ate).

In the title compound, C27H21FN2O4, the mean planes of the two indole ring systems (r.m.s.

Crystal structure of dimethyl 3,3'-[(3-nitro-phen-yl)methyl-ene]bis-(1H-indole-2-carboxyl-ate) ethanol monosolvate.

In the title compound, C27H21N3O6·C2H5OH, the indole ring systems are approximately perpendicular to each other, with a dihedral angle of 89.3 (5)°; the plane of the benzene ring is oriented with respect to the indole ring systems at 49.9 (5) and 73.

Crystal structure of dimethyl 3,3'-[(4-chloro-phen-yl)methyl-ene]bis-(1H-indole-2-carboxyl-ate).

In the title compound, C27H21ClN2O4, the mean planes of the two indole ring systems (r.m.s.

2-(1-Benzo-thio-phen-2-yl)-4H-1,3,4-oxa-diazin-5(6H)-one.

In the title compound, C11H8N2O2S, the oxadiazinone ring is nearly planar [maximum deviation = 0.016 (4) Å], and is approximately coplanar with the benzo-thio-phene ring system [dihedral angle = 3.1 (5)°].

Dimethyl 3,3'-(phenyl-methyl-ene)bis-(1H-indole-2-carboxyl-ate).

In the title compound, C27H22N2O4, the two indole ring systems are approximately perpendicular to each other, with a dihedral angle of 84.5 (5)° between their planes; the benzene ring is twisted with respect to the two indole ring systems at angles of 78.5 (5) and 86.

3-Chloro-2,4,5-trifluoro-benzoic acid.

The title compound, C7H2ClF3O2, was prepared by the chlorination of 3-amino-2,4,5-trifluoro-benzoic acid. The carboxyl group is twisted relative to the benzene ring by 6.8 (1)°.

N-[(2S)-2-Chloro-propano-yl]glycine.

The title compound, C(5)H(8)ClNO(3), was prepared by the nucleophilic substitution reaction of (2S)-2-chloro-propanoyl chloride with glycine. The acetate group forms a dihedral angle of 84.6 (1)° with the mean plane of the C-NH-C=O fragment.

Diethyl 3,3'-(phenyl-methyl-ene)bis-(1H-indole-2-carboxyl-ate).

In the title compound, C(29)H(26)N(2)O(4), the benzene ring is twisted by 73.5 (5) and 84.9 (3)° with respect to the mean planes of the two indole ring systems; the mean planes of the indole ring systems are oriented at a dihedral angle of 82.

Ethyl 8-chloro-1-cyclo-propyl-6,7-difluoro-4-oxo-1,4-dihydro-quinoline-3-carboxyl-ate.

In the mol-ecule of the title compound, C(15)H(12)ClF(2)NO(3), the quinoline ring system is not planar, the dihedral angle between the pyridine and benzene rings being 3.55 (8)°. In the crystal, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into layers parallel to (101).

6-Benzyl-6,7-dihydro-5H-pyrrolo-[3,4-b]pyridine-5,7-dione.

In the title compound, C(14)H(10)N(2)O(2), the dihedral angle between the heterocyclic ring system and the phenyl ring is 45.8 (5)°. Weak inter-molecular C-H⋯N hydrogen bonding is present in the crystal structure.

N-[4-(4-Fluoro-phen-yl)-5-hy-droxy-methyl-6-isopropyl-pyrimidin-2-yl]-N-methyl-methane-sulfonamide.

In the title compound, C(16)H(20)FN(3)O(3)S, the pyrimidine and benzene rings are oriented at a dihedral angle of 38.8 (3)°. An intra-molecular C-H⋯O hydrogen bond occurs.

1-Butyl-3-(1-naphtho-yl)-1H-indole.

In the title mol-ecule, C(23)H(21)NO, the dihedral angle between the planes of the indole ring and naphthalene ring system is 68.8 (5)°.

Methyl 4-(4-fluoro-phen-yl)-6-isopropyl-2-(methylsulfonyl)pyrimidine-5-carbox-ylate.

The asymmetric unit of the title compound, C(16)H(17)FN(2)O(4)S, contains three independent mol-ecules, in which the pyrimidine and benzene rings are oriented at dihedral angles of 41.72 (3)°, 26.21 (3)° and 36.

(Z)-5-(4-Fluoro-benzyl-idene)-1,3-thia-zolidine-2,4-dione.

In the title compound, C(10)H(6)FNO(2)S, the benzene and thia-zolidine rings make a dihedral angle of 7.52 (3)°. Intra-molecular C-H⋯O and C-H⋯S hydrogen bonds result in the formation of nearly planar five- and six-membered rings; the adjacent rings are nearly coplanar.