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2-(Piperidin-1-yl)-6-(1H-pyrrol-1-yl)pyridine-3,5-dicarbonitrile.

ABSTRACT: The piperidine ring of the title compound, C(16)H(15)N(5), adopts a chair conformation. The pyridine ring is essentially planar, with a maximum deviation of 0.035 (3) Å. The pyrrole and pyridine rings are almost coplanar, forming a dihedral angle of 3.48 (14)°. In the crystal, no classical hydrogen bonds were found. In the crystal, the molecules are linked by aromatic π-π stacking [centroid-centroid separations = 3.4984 (16) and 3.9641 (15) Å between pyrrole and pyridine rings and between pyridine rings, respectively].

SUBMITTER: Horton PN

PROVIDER: S-EPMC3343920 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-(Morpholin-4-yl)-6-(1H-pyrrol-1-yl)-pyridine-3,5-dicarbonitrile.

Project description:In the title compound, C(15)H(13)N(5)O, the morpholine ring adopts a chair conformation. The dihedral angle between the pyrrole ring and the pyridine ring is 28.93 (14)°. In the crystal, the molecules are linked by C-H⋯O hydrogen bonds occur, and aromatic weak π-π stacking [centroid-centroid separation = 4.178 (2) Å] and C-H⋯π inter-actions consolidate the packing.

| S-EPMC3297933 | biostudies-literature

2,6-Dichloro-pyridine-3,5-dicarbonitrile.

Project description:In the crystal, essentially planar (r.m.s. deviation = 0.003 Å) mol-ecules of the title compound, C(7)HCl(2)N(3), form chains along the b axis by means of C-H⋯N inter-actions. These chains are further linked into layers parallel to the ab plane by C-Cl⋯N inter-actions.

| S-EPMC2983305 | biostudies-literature

2,6-Diphenyl-4-(2-thien-yl)-1,4-dihydro-pyridine-3,5-dicarbonitrile.

Project description:The asymmetric unit of the title compound, C(23)H(15)N(3)S, contains two crystallographically independent mol-ecules. The pyridine rings adopt envelope conformations. The thio-phene rings are oriented at dihedral angles of 77.97?(4)/53.53?(4) and 78.44?(4)/57.11?(4)° with respect to the phenyl rings, while the dihedral angles between the phenyl rings are 48.51?(4) and 44.49?(4)°. In the crystal structure, inter-molecular N-H?N hydrogen bonds link the mol-ecules into chains along the c axis. The S, C and H atoms of one of the thio-phene rings are disordered over two orientations, with occupancy ratios of 0.314?(15):0.686?(15).

| S-EPMC2970109 | biostudies-literature

4-[2-(4-Fluoro-phen-yl)-1H-pyrrol-3-yl]pyridine.

Project description:In the crystal structure of the title compound, C(15)H(11)FN(2), the pyrrole ring makes dihedral angles of 33.19?(9) and 36.33?(10)° with the pyridine and 4-fluoro-phenyl rings, respectively. The pyridine ring makes a dihedral angle of 46.59?(9)° with the 4-fluoro-phenyl ring. In the crystal structure, an N-H?N hydrogen bond joins the mol-ecules into chains.

| S-EPMC2968667 | biostudies-literature

{2-[(3,5-Dimethyl-2H-pyrrol-2-yl-idene-?N)(4-nitro-phen-yl)meth-yl]-3,5-dimethyl-1H-pyrrol-1-ido-?N}difluoridoboron.

Project description:In an effort to discover novel and potential boron-dipyrromethene (BODIPY) dyes, the title compound, C(19)H(18)BF(2)N(3)O(2), was prepared from 2,4-dimethyl-pyrrole, 4-nitro-benzaldehyde and BF(3)·Et(2)O in a one-pot reaction. There are two independent mol-ecules, A and B, in the asymmetric unit in which the dihedral angles between the benzene ring and boron-dipyrromethene mean plane have significantly different values [82.71?(8)° for mol-ecule A and 73.16?(8)° for mol-ecule B]. Inter-molecular C-H?? inter-actions help to stabilize the crystal structure.

| S-EPMC3254419 | biostudies-literature

2-Amino-4-(4-chloro-phen-yl)-6-(pyrrolidin-1-yl)pyridine-3,5-dicarbonitrile.

Project description:In the title compound, C(17)H(14)ClN(5), two C atoms and their attached H atoms of the pyrrolidine ring are disordered over two sets of sites with an occupancy ratio of 0.638 (10):0.362 (10). The benzene and pyridine rings are inclined to one another by 60.57 (8)°. In the crystal, the amino group forms an N-H⋯N hydrogen bond with one of the cyano groups, linking the mol-ecules into chains along [010].

| S-EPMC3343967 | biostudies-literature

2-Amino-6-(pyrrolidin-1-yl)-4-p-tolyl-pyridine-3,5-dicarbonitrile.

Project description:In the title compound, C(18)H(17)N(5), the pyrrolidine ring adopts an envelope conformation. The pyrrolidine ring is disordered over two sets of sites with occupancy factors of 0.648?(6) and 0.352?(6). The dihedral angles between the pyrrolidine and pyridine rings are 14.6?(3)° for the major component and 16.2?(6)° for the ninor component. The crystal structure is stabilized by inter-molecular N-H?N and C-H?N inter-actions.

| S-EPMC3213431 | biostudies-literature

2-Amino-6-(dimethyl-amino)pyridine-3,5-dicarbonitrile.

Project description:The title compound, C(9)H(9)N(5), is slightly twisted from planarity, with a maximum deviation of 0.0285 (13) Å from the pyridine plane for the C atom bearing the amino group. The cyano groups are on different sides of the pyridine plane, with C- and N-atom deviations of 0.072 (3)/0.124 (4) and -0.228 (4)/-0.409 (5) Å from the pyridine plane. In the crystal, N-H⋯N and C-H⋯N hydrogen bonds connect the mol-ecules into zigzag chains running along the c axis.

| S-EPMC3344634 | biostudies-literature

2-Amino-6-(piperidin-1-yl)-4-p-tolyl-pyridine-3,5-dicarbo-nitrile.

Project description:In the title compound, C19H19N5, the piperidine ring adopts a chair conformation. The pyridine ring is essentially planar, with a maximum deviation of 0.039?(2)?Å for a C atom substituted with a carbonitrile group. The mean plane of the central pyridine ring makes the dihedral angles of 37.90?(14) and 56.10?(12)° with the piperidine and benzene rings, respectively. In the crystal, mol-ecules are linked via N-H?N and C-H?N hydrogen bonds, forming chains along [101], and enclosing R 2 (2)(17) ring motifs. The chains are linked by further C-H?N hydrogen bonds, forming two-dimensional networks lying parallel to (10-1), and enclosing inversion dimers with R 2 (2)(20) ring motifs.

| S-EPMC3885062 | biostudies-literature

6-Amino-4-(4-chloro-phen-yl)-2-oxo-1,2-dihydro-pyridine-3,5-dicarbonitrile ethanol solvate.

Project description:The title compound, C(13)H(7)ClN(4)O·C(2)H(6)O, was synthesized by the reaction of 4-chloro-benzaldehyde, malononitrile and 10% sodium hydroxide solution in an aqueous medium. In the crystal structure, the crystal packing is stabilized by inter-molecular N-H⋯N, O-H⋯O and N-H⋯O hydrogen bonds.

| S-EPMC2962196 | biostudies-literature

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