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2-Amino-4,6-di-methyl-pyrimidine-sorbic acid (1/1).

ABSTRACT: In the crystal of the title compound, C6H9N3·C6H8O2, the 2-amino-4,6-di-methyl-pyrimidine and sorbic acid mol-ecules are linked through N-H?O and O-H?N hydrogen bonds, which generate a cyclic bimolecular heterosynthon with an R 2 (2)(8) graph-set motif. Further, two inversion-related pyrimidine mol-ecules are base-paired via a pair of N-H?N hydrogen bonds, forming a cyclic bimolecular homosynthon with a graph-set of R 2 (2)(8). A discrete hetero tetra-meric supra-molecular unit along the b axis is formed by the fusion of two heterosynthons and one homosynthon. An aromatic ?-? inter-action [centroid-centroid distance = 3.7945?(16)?Å] is observed between these tetra-meric units.

SUBMITTER: Gomathi S

PROVIDER: S-EPMC3793739 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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2-Amino-4,6-di-methyl-pyrimidine-sorbic acid (1/1).

Gomathi Sundaramoorthy S Muthiah Packianathan Thomas PT

Acta crystallographica. Section E, Structure reports online 20130710 Pt 8

In the crystal of the title compound, C6H9N3·C6H8O2, the 2-amino-4,6-di-methyl-pyrimidine and sorbic acid mol-ecules are linked through N-H⋯O and O-H⋯N hydrogen bonds, which generate a cyclic bimolecular heterosynthon with an R 2 (2)(8) graph-set motif. Further, two inversion-related pyrimidine mol-ecules are base-paired via a pair of N-H⋯N hydrogen bonds, forming a cyclic bimolecular homosynthon with a graph-set of R 2 (2)(8). A discrete hetero tetra-meric supra-molecular unit along the b axis ...[more]

PMID: 24109326

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Crystal structure of 4,6-di-chloro-5-methyl-pyrimidine.

Project description:The title compound, C5H4Cl2N2, is essentially planar with an r.m.s. deviation for all non-H atoms of 0.009 Å. The largest deviation from the mean plane is 0.016 (4) Å for an N atom. In the crystal, mol-ecules are linked by pairs of C-H⋯N hydrogen bonds, forming inversion dimers, enclosing an R (2) 2(6) ring motif.

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Crystal structure of 2-butyl-sulfanyl-4,6-bis-[(E)-4-(di-methyl-amino)-styr-yl]pyrimidine.

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(2-Amino-4,6-dimethyl-pyrimidine-?N)(2-amino-4-methyl-pyrimidine-?N)silver(I) nitrate.

Project description:Colourless crystals of the title compound, [Ag(C(5)H(7)N(3))(C(6)H(9)N(3))]NO(3), separated out of a solution of 2-amino-4-methyl-pyrimidine, 2-amino-4,6-dimethyl-pyrimidine and silver nitrate in water and methanol. The central Ag(I) ion is coordinated by two different N atoms in the aromatic rings of the ligands, with an N-Ag-N angle of 173.9?(2)°. The crystal structure is composed of two complexed cations and stabilized by an inter-molecular N-H?O and N-H?N hydrogen-bond network and there is ?-? stacking of the aromatic rings [inter-planar distance 3.651?(10)?Å].

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(2-Amino-4,6-dimethyl-pyrimidine-?N)(2-amino-4-methyl-pyrimidine-?N)silver(I) perchlorate.

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2-Methyl-4,6-bis-(1-methyl-hydrazino)pyrimidine.

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Project description:The crystal of the title compound, C(6)H(9)N(3)·C(7)H(6)O(2), contains tetra-meric hydrogen-bonded units comprising a central pair of 2-amino-pyrimidine mol-ecules linked across a centre of inversion by N-H?N hydrogen bonds and two pendant benzoic acid mol-ecules attached through N-H?O and O-H?N hydrogen bonds. These hydrogen-bonded units are arranged into layers in (002).

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4,6-Di-bromo-N-{3-[(4,6-di-bromo-2,3-di-methyl-phenyl)imino]butan-2-yl-idene}-2,3-di-methyl-aniline.

Project description:The title compound, C20H20Br4N2, is a product of the condensation reaction of 4,6-di-bromo-2,3-di-methyl-aniline and butane-2,3-dione. The mol-ecule has a center of symmetry at the mid-point of the central C-C bond. The dihedral angle between the benzene ring and the 1,4-di-aza-butadiene plane is 78.3?(2)°. Niether hydrogen bonding nor aromatic stacking is observed in the crystal structure.

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4,6-Dimeth-oxy-2-(methyl-sulfon-yl)pyrimidine.

Project description:The asymmetric unit of the title compound, C(7)H(10)N(2)O(4)S, comprises of two independent mol-ecules (A and B) which differ in the orientation of the methyl-sulfonyl group [C-S-C-N = 157.98?(13)° in mol-ecule A and 6.09?(18)° in mol-ecule B]. In the crystal structure, mol-ecules of type A are linked into chains along the a axis by inter-molecular C-H?O hydrogen bonds. The B mol-ecules are linked to these chains by C-H?O hydrogen bonds.

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