4-Ethoxypyridin-2-amine

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4-Ethoxy­pyridin-2-amine

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2-Chloro­pyrimidin-4-amine

In the title pyrimidine derivative, C(4)H(4)ClN(3), the 2-chloro and 4-amino substituents almost lie in the mean plane of the pyrimidine ring, with deviations of 0.003 (1) Å for the Cl atom, and 0.020 (1) Å for the N atom. In the crystal, molecules are linked via pairs of N-H⋯N hydrogen bonds, forming inversion dimers. These dimers are further linked via N-H⋯N hydrogen bonds, forming an undulat...

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N-(4-Chloro­phen­yl)-4-methyl­pyridin-2-amine

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The title compound, C(16)H(12)FN(3)OS, was synthesized by the reaction of 5-(4-meth-oxy-phen-yl)-1,3,4-thia-diazol-2-amine and 4-fluoro-benzaldehyde. An intra-molecular C-H⋯S hydrogen bond results in the formation of two five-membered rings. In the crystal structure, inter-molecular C-H⋯N hydrogen bonding links the mol-ecules, forming a two-dimensional network.

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Mol-ecules of the title compound, C(14)H(10)FN(3)O, are essentially planar and in the crystal structure they form dimers via hydrogen bonds, involving pyrimidinyl N atoms and amino H atoms, about inversion centers. The centroids of the furyl and pyrimidinyl rings are separated by 3.489 (2)Å, indicating π-π stacking inter-actions.

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2008

ISSN: 1600-5368

DOI: 10.1107/s1600536808024847