2-(8-Bromoimidazo[1,2-a]pyridin-2-yl)-N′-[(E)-4-diethylamino-2-hydroxybenzylidene]acetohydrazide dihydrate
نویسندگان
چکیده
منابع مشابه
2-(8-Bromoimidazo[1,2-a]pyridin-2-yl)-N′-[(E)-4-diethylamino-2-hydroxybenzylidene]acetohydrazide dihydrate
In the title compound, C(20)H(22)BrN(5)O(2)·2H(2)O, the Schiff base mol-ecule exists in an E conformation with respect to the acyclic C=N bond. An S(6) ring motif is formed via an intra-molecular O-H⋯N hydrogen bond. The dihedral angle between the imidazo[1,2-a]pyridine system and the benzene ring is 84.62 (5)°. In the crystal, N-H⋯O, O-H⋯O, O-H⋯N, C-H⋯O and C-H⋯Br hydrogen bonds link the mol-e...
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In the crystal of the centrosymmetric title compound, C(20)H(20)N(2)S(2), mol-ecules are linked by head-to-tail C-H⋯N hydrogen bonds, resulting in chains extending along the a axis. Three additional C-H⋯π inter-molecular inter-actions give rise to a herringbone packing motif which extends along the c axis. The C-H⋯N inter-actions provide links between the sheets.
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In the crystal structure of the title osthol derivative, C(18)H(23)NO(4), mol-ecules are linked by N-H⋯O hydrogen bonds into an infinite chain running parallel to the c axis. The CH(3)CH(2)- atoms of the propionamide group are disordered over two sets of sites with refined occupancies of 0.689 (12) and 0.311 (12).
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In the title hydrate, C16H23BrN2O·2H2O, the organic mol-ecule features a strong intra-molecular O-H⋯N hydrogen bond. The piperidine ring, in addition, adopts a chair conformation with the exocyclic C-N bond in an equatorial orientation. The water molecules of crystallization are disordered (each over two sets of sites with half occupancy. In the crystal, they associate into corrugated (100) she...
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In the title compound, C(20)H(24)F(3)N(3)O(2)S·2H(2)O, a dopamine D3 ligand, the piperazine ring adopts a chair conformation while the piperazine and benzene rings form a dihedral angle of 47.71 (6)°. In the crystal, mol-ecules are linked by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds. In the mol-ecular structure, the F atoms of the trifluoro-methyl group are disordered over two sites with o...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2012
ISSN: 1600-5368
DOI: 10.1107/s160053681200685x