N′-(4-Fluorobenzylidene)-2-(4-fluorophenyl)acetohydrazide
نویسندگان
چکیده
منابع مشابه
N = ( 4 , 4 ) Twisted Multiplets in N = ( 2 , 2 ) Superspace
We describe four different types of the N =(4, 4) twisted supermultiplets in two-dimensional N =(2, 2) superspace R (1,1|2,2). All these multiplets are presented by a pair of chiral and twisted chiral superfields and differ in the transformation properties under an extra hidden N =(2, 2) supersymmetry. The sigma model N =(2, 2) superfield Lagrangians for each type of the N =(4, 4) twisted super...
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In the title salt, C(20)H(24)FN(2)O(2) (+)·0.5C(4)H(2)O(4) (2-), the fumarate anion is located on an inversion centre. In the cation, the two benzene rings are nearly perpendicular to each other, making a dihedral angle of 87.41 (10)°. The cation is linked to the anion by a bifurcated N-H⋯O hydrogen bond. Classical O-H⋯O and weak C-H⋯F hydrogen bonding is also present in the crystal structure. ...
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The title compound, C(19)H(23)N(3)O(2), was prepared by condensing 4-diethyl-amino-2-hy-droxy-benzaldehyde and 4-methyl-benzo-hydrazide in methanol. The asymmetric unit contains two independent mol-ecules in which the two benzene rings make dihedral angles of 30.3 (3) and 18.9 (3)°. Intra-molecular O-H⋯N hydrogen bonds are observed in both mol-ecules. The crystal structure is stabilized by N-H⋯...
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In the title compound, C(15)H(12)F(2)N(2)O, the dihedral angle between the two benzene rings is 48.73 (8)°. The hydrazine group is twisted slightly, with a C-N-N-C torsion angle of 172.48 (12)°. In the crystal, mol-ecules are connected by strong N-H⋯O and weak C-H⋯O hydrogen bonds, forming supra-molecular chains along the c axis. The structure is consolidated by π-π [centroid-centroid separatio...
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In the title compound, C(15)H(18)ClNO(2), the amide group is coplanar with the chloro-phenyl group, making a dihedral angle of 1.71 (12)°. The cyclo-penta-none ring adopts a twist conformation. A weak intra-molecular C-H⋯O hydrogen bond is observed. Mol-ecules are linked into cyclic centrosymmetric dimers by paired N-H⋯O hydrogen bonds.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2011
ISSN: 1600-5368
DOI: 10.1107/s1600536811039845