1,2-Diphenyl-2-[4-(4-pyridyl)benzylidenehydrazono]ethan-1-one

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1,2-Diphenyl-2-[4-(4-pyridyl)benzyl­idene­hydrazono]ethan-1-one

In the title compound, C(26)H(19)N(3)O, the dimethyl-ene hydrazine (-C=N-N=C-) unit is approximately planar, the torsion angle around the N-N bond being 162.2 (6)°. The phenyl and benzoyl-phenyl rings at one end of the hydrazine unit are aligned at angles of 9.5 (5) and 88.5 (4)°, respectively, with respect to the hydrazine unit, whereas the benzene ring at the other end is twisted by an angle ...

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In the title compound, C(28)H(23)ClN(2)O(3)S, the central imidazolidine ring adopts a twisted conformation and the S atom has distorted tetra-hedral geometry. The crystal packing is stabilized by C-H⋯O, C-H⋯π and π-π inter-actions [centroid-centroid distance = 3.8302 (10) Å].

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1-Benzyl-2,5-diphenyl-3-tosylimidazol­idin-4-one

In the title compound, C(29)H(26)N(2)O(3)S, the central imidazolidine ring adopts an envelope conformation with the N atom bearing the benzyl ring at the flap. The S atom has distorted tetra-hedral geometry. The benzyl and tosyl rings are oriented at a dihedral angle of 52.1 (1)°. The phenyl rings connected to the imidazolidine ring form a dihedral angle of 28.7 (1)°.

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1-(4-Meth­oxy­phen­yl)-4-(4-methyl­phen­yl)-3-phen­oxy­azetidin-2-one

The central β-lactam ring of the title compound, C(23)H(21)NO(3), is almost planar (r.m.s. deviation = 0.032Å). The meth-oxy-benzene ring is almost coplanar with the β-lactam ring [dihedral angle = 1.87 (11)°], whereas the tolyl ring is almost normal to it [75.73 (12)°]. The dihedral angle between the β-lactam ring and the O-bonded phenyl ring is 51.95 (12)°. An intra-molecular C-H⋯O inter-acti...

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(E)-1-(2,4-Dichloro­phen­yl)-3-(1,3-diphenyl-1H-pyrazol-4-yl)prop-2-en-1-one

In the title mol-ecule, C(24)H(16)Cl(2)N(2)O, the dihedral angles between the pyrazole ring and its N- and C-bonded phenyl rings are 7.06 (10) and 53.15 (10)°, respectively. The dihedral angle between the two pendant rings is 52.32 (10)°. The mol-ecule exists in a trans conformation with respect to the acyclic C=C bond. In the crystal, inversion dimers occur in which each mol-ecule is linked to...

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2009

ISSN: 1600-5368

DOI: 10.1107/s1600536809026087