Crystal structure of 2-(5-fluoro-2,4-dioxo-1,2,3,4-tetrahydropyrimidine)glycin, C8H8FN3O5
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چکیده
منابع مشابه
Crystal structure of (Z)-2-(5-fluoro-2-oxoindolin-3-ylidene)hydrazinecarbothioamide
In the title compound, C9H7FN4OS, the mol-ecules are almost planar, with an r.m.s. deviation of 0.047 (3) Å from the mean plane defined by the non-H atoms and a maximum deviation of 0.123 (2) Å for the amine N atom. The torsion angle for the N-N-C-S unit is 176.57 (19)°. In the crystal, mol-ecules are linked into inversion dimers via pairs of N-H⋯F hydrogen bonds and, additionally, through N-H⋯...
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The title compound, C20H15FN2O2, adopts an almost planar conformation. The oxa-diazole ring makes dihedral angles of 13.90 (1) and 7.93 (1)° with the naphthalene ring system and benzene ring, respectively, while the naphthalene ring system and benzene ring are inclined to one another by 6.35 (1)°. In the crystal, adjacent mol-ecules are linked via C-H⋯N hydrogen bonds, forming chains propagatin...
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biological activities,1 and some of them are used as drugs.2,3 In previous studies,4,5 we reported on the synthesis and biological evaluation of 1,2,5(6)-trisubstituted benzimidazoles as antihistaminic and antimicrobial agents. The synthesis of ethyl 1-cyclopropyl-5-fluoro-6-(4-methylpiperazine-1-yl)-1H-benzimidazole-2-acetate (1) was performed according to reported methods.6,7 1-Cyclopropyl-2-...
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In the crystal of the title compound, C16H9BrN2O4·0.5C6H6, the mol-ecules stack in a centrosymmetric unit cell in a 2:1 stoichiometry with co-crystallized benzene solvent mol-ecules and inter-act via various weak inter-actions. This induces a geometry different from that predicted by theory, and is unique among the hemibi-quinones heretofore reported.
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2006
ISSN: 2197-4578,1433-7266
DOI: 10.1524/ncrs.2006.221.1.37