(E)-N′-(4-Pyridylmethylene)-4-(8-quinolyloxy)butanohydrazide 0.25-hydrate
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(E)-N′-(4-Pyridylmethylene)-4-(8-quinolyloxy)butanohydrazide 0.25-hydrate
The asymmetric unit of the title compound, C(19)H(18)N(4)O(2)·0.25H(2)O, contains two organic mol-ecules and a solvent water mol-ecule with 50% occupancy. The two molecules differ in their conformations: in one mol-ecule it is (+)gauche-trans-trans-(+)gauche-trans, whereas in the other it is (-)gauche-trans-trans-(-)gauche-trans. The dihedral angles between the pyridine ring and the quinoline r...
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The title compound, C(12)H(9)BrN(2)OS·0.06H(2)O, is a hydrated Schiff base derived from benzoic hydrazide and 4-bromo-thio-phene-2-carboxaldehide. The two Schiff base mol-ecules in the asymmetric unit differ crystallographically: in one mol-ecule the dihedral angle between the benzene ring and thio-phene ring is 49.88 (11)°, whereas the other mol-ecule the rings are almost coplanar with an r.m....
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The asymmetric unit of the title compound, C(14)H(13)ClN(2)O(2)S·0.15H(2)O, a novel sulfonamide derivative, comprises two crystallographically independent mol-ecules (A and B) and a water mol-ecule of crystallization, which is partially occupied. One of the mol-ecules (B) is disordered over two positions (B and C) with refined site occupancies of 0.605 (10) and 0.395 (10). The dihedral angles b...
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In the title compound, C(20)H(18)N(4)O(4), conformation along the bond sequence linking the benzene and quinoline rings, which have a mean inter-planar dihedral angle of 2.7 (5)°, is trans-(+)gauche-trans-trans-(-)gauche-trans-trans. In the crystal structure, a pair of inter-molecular N-H⋯O hydrogen bonds links the mol-ecules into centrosymmetric cyclic R(2) (2)(8) dimers, which are aggregated ...
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The title compound, C(15)H(14)N(2)O·0.67H(2)O, was prepared by the reaction of 4-acetoamine-benzaldehyde and aniline. The asymmetric unit contains six organic mol-ecules and four water mol-ecules. The dihedral angles between the aromatic ring planes in each organic mol-ecule vary from 42.4 (2) to 53.8 (2)°. In the crystal, an extensive network of inter-molecular N-H⋯O, O-H⋯N and O-H⋯O hydrogen ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2009
ISSN: 1600-5368
DOI: 10.1107/s160053680900110x