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2-Amino-4,6-dimethyl-pyrimidine-anthranilic acid (1/1).

ABSTRACT: In the title 1:1 adduct, C(6)H(9)N(3)·C(7)H(7)NO(2), the crystal structure is stabilized by hydrogen bonds involving two different R(2) (2)(8) motifs. One of them is formed by the inter-action of 2-amino-4,6-dimethyl-pyrimidine (AMPY) with the carboxyl group of anthranilic acid (AA) through N-H?O and O-H?N hydrogen bonds, whereas the other is formed through the inter-action of two centrosymmetrically related pyrimidines involving N-H?N hydrogen bonds. These two combined motifs form a heterotetra-mer. The heterotetra-mer sheets are stacked into three-dimensional network.

SUBMITTER: Ebenezer S

PROVIDER: S-EPMC2983637 | biostudies-literature | 2010 Feb

REPOSITORIES: biostudies-literature

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2-Amino-4,6-dimethyl-pyrimidine-anthranilic acid (1/1).

Ebenezer Samuel S Muthiah Packianathan Thomas PT

Acta crystallographica. Section E, Structure reports online 20100203 Pt 3

In the title 1:1 adduct, C(6)H(9)N(3)·C(7)H(7)NO(2), the crystal structure is stabilized by hydrogen bonds involving two different R(2) (2)(8) motifs. One of them is formed by the inter-action of 2-amino-4,6-dimethyl-pyrimidine (AMPY) with the carboxyl group of anthranilic acid (AA) through N-H⋯O and O-H⋯N hydrogen bonds, whereas the other is formed through the inter-action of two centrosymmetrically related pyrimidines involving N-H⋯N hydrogen bonds. These two combined motifs form a heterotetra ...[more]

PMID: 21580290

Similar Datasets

Hydrogen-bonding patterns in the cocrystal 2-amino-4,6-dimethoxy-pyrimidine-anthranilic acid (1/1).

Project description:In the title cocrystal, C(6)H(9)N(3)O(2)·C(7)H(7)NO(2), the asymmetric unit contains two crystallographically independent 2-amino-4,6-dimeth-oxy pyrimidine-anthranilic acid adducts. The 2-amino-4,6-dimeth-oxy pyrimidine mol-ecules inter-act with the carboxylic group of the respective anthranilic acid mol-ecules through N-H⋯O and O-H⋯N hydrogen bonds, forming a cyclic hydrogen-bonded motif R(2) (2)(8). The pyrimidine mol-ecules also form base pairs via a pair of N-H⋯N hydrogen bonds, forming another R(2) (2)(8) motif. The typical intra-molecular N-H⋯O hydrogen bond is observed in the anthranilic acid mol-ecules. Furthermore, the crystal structure is stabilized by C-H⋯O hydrogen bonds.

| S-EPMC2915181 | biostudies-literature

2-Amino-4,6-dimethyl-pyrimidine-benzoic acid (1/1).

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).

| S-EPMC2969298 | biostudies-other

(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].

| S-EPMC2970381 | biostudies-literature

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

Project description:Colourless crystals of the title mixed ligand complex, [Ag(C(5)H(7)N(3))(C(6)H(9)N(3))]ClO(4), were obtained from a solution of 2-amino-4-methyl-pyrimidine, 2-amino-4,6-dimethyl-pyrim-idine and silver perchlorate in water and methanol. The crystal structure is stabilized by inter-molecular N-H?O and N-H?N hydrogen bonds and ?-? stacking inter-actions of the aromatic rings of the two ligands [inter-planar distance = 3.652?(10)?Å]. The Ag(I) atom shows a linear coordination [N-Ag-N = 174.6?(1)°].

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2-Iodo-4,6-dimethyl-pyrimidine.

Project description:In the title compound, C(6)H(7)IN(2), the non-H atoms of the mol-ecule are located on a crystallographic mirror plane; the H atoms of the methyl groups are therefore disordered over two positions of equal occupancy. In the crystal structure, short inter-molecular I?N contacts [3.390?(3)?Å] are found, linking the mol-ecules into zigzag chains. In addition, there are inter-molecular ?-? stacking inter-actions between the pyrimidine rings of adjacent mol-ecules [centroid-centroid distance = 3.5168?(10)?Å], resulting in a two-dimensional supra-molecular architecture.

| S-EPMC2983557 | biostudies-literature

4,6-Dimethyl-2-p-tolyl-pyrimidine.

Project description:The mol-ecule of the title compound, C(13)H(14)N(2), is located on a crystallographic mirror plane. The aromatic rings make a dihedral angle of 3.4?(2)°. The H atoms of the methyl groups on the benzene ring are disordered over two positions; their site-occupation factors were fixed at 0.5. In the crystal, inter-molecular C-H?? contacts form infinite chains perpendicular to the b axis.

| S-EPMC2971259 | biostudies-literature

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

Project description: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 π-π inter-action [centroid-centroid distance = 3.7945 (16) Å] is observed between these tetra-meric units.

| S-EPMC3793739 | biostudies-literature

Bis(4,6-dimethyl-pyrimidine-2-thiol-ato)dimethyl-tin(IV).

Project description:The asymmetric unit of the title complex, [Sn(CH(3))(2)(C(6)H(7)N(2)S)(2)], contains two independent mol-ecules with similar configurations. In each, the Sn(IV) cation is coordinated by two methyl and two 4,6-dimethyl-pyrimidine-2-thiol-ate anions in a distorted SnS(2)C(2) tetra-hedral geometry. In the two mol-ecules, the S-Sn-S bond angles are 87.70 (5) and 88.93 (4)°, while the C-Sn-C bond angles are 125.7 (3) and 125.9 (2)°. Weak C-H⋯N hydrogen bonding is present in the crystal structure.

| S-EPMC3007831 | biostudies-literature

2-(1H-Imidazol-1-yl)-4,6-dimethyl-pyrimidine.

Project description:The asymmetric unit of the title compound, C(9)H(10)N(4), consists of two mol-ecules in which the dihedral angles between the planes of the imidazole and pyrimidine rings are 4.8 (1) and 2.1 (1)°.

| S-EPMC3247496 | biostudies-literature

2-Amino-4,6-dimethyl-pyrimidinium dihydrogenphosphate.

Project description:In the crystal structure of the title compound, C(6)H(10)N(3) (+)·H(2)PO(4) (-), the cations and anions are linked by inter-molecular O-H?O and N-H?O hydrogen bonds, forming a two-dimensional network. Additional stabilization is provided by weak inter-molecular C-H?O inter-actions. N-H?N inter-actions are also present.

| S-EPMC2971252 | biostudies-literature

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