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2-(3-{(3R,4R)-4-Methyl-3-[meth-yl(7H-pyrrolo-[2,3-d]pyrimidin-4-yl)amino]-piperidin-1-yl}oxetan-3-yl)aceto-nitrile monohydrate.

ABSTRACT: In the title compound, C18H24N6O·H2O, the piperidine ring adopts a chair conformation with an N-C-C-C torsion angle of 39.5?(5)° between the cis-related substituents. The pyrrole N-H group forms a water-mediated inter-molecular hydrogen bond to one of the N atoms of the annelated pyrimidine ring. The water mol-ecule connects two organic mol-ecules and is disorderd over two positions (occupancies of 0.48 and 0.52). The crystal packing shows zigzag chains of alternating organic and water mol-ecules running parallel to the a axis.

SUBMITTER: Gehringer M

PROVIDER: S-EPMC3998552 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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2-(3-{(3R,4R)-4-Methyl-3-[meth-yl(7H-pyrrolo-[2,3-d]pyrimidin-4-yl)amino]-piperidin-1-yl}oxetan-3-yl)aceto-nitrile monohydrate.

Gehringer Matthias M Pfaffenrot Ellen E Keck Peter R W E F PR Schollmeyer Dieter D Laufer Stefan A SA

Acta crystallographica. Section E, Structure reports online 20140305 Pt 4

In the title compound, C18H24N6O·H2O, the piperidine ring adopts a chair conformation with an N-C-C-C torsion angle of 39.5 (5)° between the cis-related substituents. The pyrrole N-H group forms a water-mediated inter-molecular hydrogen bond to one of the N atoms of the annelated pyrimidine ring. The water mol-ecule connects two organic mol-ecules and is disorderd over two positions (occupancies of 0.48 and 0.52). The crystal packing shows zigzag chains of alternating organic and water mol-ecule ...[more]

PMID: 24826108

Similar Datasets

Examining the chirality, conformation and selective kinase inhibition of 3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile (CP-690,550).

Project description:Here, we examine the significance that stereochemistry plays within the clinically relevant Janus kinase 3 (Jak3) inhibitor 1 (CP-690,550). A synthesis of all four enantiopure stereoisomers of the drug was carried out and an examination of each compound revealed that only the enantiopure 3R,4R isomer was capable of blocking Stat5 phosphorylation (Jak3 dependent). Each compound was profiled across a panel of over 350 kinases, which revealed a high level of selectivity for the Jak family kinases for these related compounds. Each stereoisomer retained a degree of binding to Jak3 and Jak2 and the 3R,4S and 3S,4R stereoisomers were further revealed to have binding affinity for selected members of the STE7 and STE20 subfamily of kinases. Finally, an appraisal of the minimum energy conformation of each stereoisomer and molecular docking at Jak3 was performed in an effort to better understand each compounds selectivity and potency profiles.

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(2R,3R,4S,5R)-2-(4-Amino-5-iodo-7H-pyrrolo-[2,3-d]pyrimidin-7-yl)-5-methyl-tetra-hydro-furan-3,4-diol.

Project description:The mol-ecular structure of the title compound, C11H13IN4O3, shows a ribo-furanos-yl-pyrrolo O-C-N-C torsion angle of 59.1 (3)°, with the central C-N bond length being 1.446 (3) Å. The C-I bond length is 2.072 (2) Å. The amino group is coplanar with the attached aromatic ring [C-N-C-N torsion angle = -178.8 (2)°] and forms an intra-molecular N-H⋯I hydrogen bond. In the crystal, O-H⋯N and N-H⋯O hydrogen bonds link the mol-ecules into puckered layers parallel to (001). These layers are bound to each other by secondary I⋯O inter-actions [3.2250 (17) Å], forming a three-dimensional framework.

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(2R,3S,4R,5R)-5-(4-Amino-5-iodo-7H-pyrrolo-[2,3-d]pyrimidin-7-yl)-4-fluoro-2-(hy-droxy-meth-yl)tetra-hydro-furan-3-ol.

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Project description:The piperidine ring of the title compound, C15H25N3O3, adopts a slightly distorted chair conformation with the cis substituents displaying an N-C-C-C torsion angle of 43.0 (3)°. The cyano group (plane defined by C-C-C N atoms) is bent slightly out of the plane of the amide group by 13.3 (2)°. The carbamate group is oriented at a dihedral angle of 60.3 (5)° relative to the amide group.

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5-Chloro-N-[2-(1H-imidazol-4-yl)eth-yl]-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine.

Project description:The title compound, C(12)H(13)ClN(6), was prepared by reaction of 4,5-dichloro-7H-pyrrolo[2,3-d]pyrimidine with 2-(1H-imid-azol-4-yl)-N-methyl-ethanamine, and the X-ray study confirmed that chloro-substituent in six-membered ring was replaced in the reaction. The exocyclic N atom environment is approximately coplanar with the pyrrolo[2,3-d]pyrimidine [corresponding dihedral angle is 5.5?(1)°], whereas the mean plane of the N-C-C-C link connecting with the imidazolyl ring is almost exactly orthogonal to the plane of the bicyclic system [dihedral angle = 91.6?(2)°]. The imidazolyl plane itself, however, forms a relatively small dihedral angle of 20.8?(1)° with the pyrrolo[2,3-d]pyrimidine plane. There are two independent N-H?N hydrogen bonds in the structure, which link mol-ecules into layers parallel to (03).

| S-EPMC2980157 | biostudies-literature

[(3R*,4R*,5R*)-2,3-Diphenyl-isoxazolidine-4,5-di-yl]dimethanol.

Project description:In the title compound, C(17)H(19)NO(3), the isoxazolidine ring adopts an envelope conformation with the O atom as the flap. In the crystal, O-H⋯O hydrogen bonds form C(2) (3)(14) R(2) (2)(14) motifs.

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3-Oxo-3-(piperidin-1-yl)propane-nitrile.

Project description:In the title compound, C(8)H(12)N(2)O, the piperidine ring exhibits a chair conformation and its least-squares plane (all atoms) makes a dihedral angle of 32.88 (12)° with the propane-nitrile unit (r.m.s. deviation = 0.001 Å). In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, forming chains along [001].

| S-EPMC3435739 | biostudies-literature

2,2'-[1,2-Phenyl-enebis(aza-nedi-yl)]di-aceto-nitrile.

Project description:The title compound, C10H10N4, shows chemical but not crystallographic C2 symmetry. The two cyano-methyl groups are located in an anti position with respect to the aromatic ring. In the crystal, mol-ecules form parallel ladder-like tapes linked through two N-H?N hydrogen bonds. Further weak intra-molecular N-H?N hydrogen bonding is responsible for the elongation of one of the Caromatic-N bonds.

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2-[(3-Oxo-1-benzofuran-6-yl)-oxy]aceto-nitrile.

Project description:The mol-ecule of the title compound, C11H8O3, is essentially planar [r.m.s. deviation = 0.025?(2)?Å]. In the crystal, mol-ecules are stacked along [110] but no short ?-? contacts are observed. Weak C-H?O inter-actions link the mol-ecules into chains along [101].

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4-Methyl-6-(piperidin-1-yl)pyrimidin-2-amine.

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| S-EPMC3569258 | biostudies-literature

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