2-Benzoyl-1-(2,4-dichlorophenyl)-3-phenylguanidine
نویسندگان
چکیده
In the title compound, C(20)H(15)Cl(2)N(3)O, a typical polysubstituted guanidine with normal geometric parameters, the torsion angles [C-N-C-O = 3.8 (2), N-C-N-C = -6.1 (2)°] indicate that the guanidine and carbonyl groups are almost coplanar, due to the pseudo-hexa-gonal ring formed by intra-molecular N-H⋯O hydrogen bonds. The crystal packing is stabilized by inter-molecular N-H⋯O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers.
منابع مشابه
N-(3,5-Dichlorophenyl)benzamide
The conformation of the H-N-C=O unit in the title compound, C(13)H(9)Cl(2)NO, is trans, similar to the conformation observed in N-(3-chloro-phen-yl)benzamide, N-(2,3-dichloro-phen-yl)benzamide, N-(2,4-dichloro-phen-yl)benzamide, N-(2,6-dichloro-phen-yl)benzamide and N-(3,4-dichloro-phen-yl)benz-amide. The amide group makes dihedral angles of 14.3 (8) and 44.4 (4)° with the benzoyl and aniline r...
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In the title tetrasubstituted guanidine, C(18)H(21)N(3)O, the guanidine and carbonyl groups are not coplanar, as reflected by the torsion angles involving the N=C atoms [17.6 (3), -141.68 (17) and 42.2 (3)°]. This is probably due to the absence of an intra-molecular N-H⋯O hydrogen bond, forming a six-membered ring, and is commonly observed in this class of compounds. In the crystal structure, c...
متن کاملN-(2,4-Dichlorophenyl)benzamide
The conformations of the N-H and C=O bonds in the structure of the title compound, C(13)H(9)Cl(2)NO, are anti to each other, similar to that observed in N-phenyl-benzamide, N-(2-chloro-phen-yl)benzamide, N-(4-chloro-phen-yl)benzamide, N-(2,3-dichloro-phen-yl)benzamide, N-(2,6-dichloro-phen-yl)benzamide and other benzanilides. The amide -NHCO- group forms a dihedral angle of 33.0 (2)° with the b...
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In the title compound, C(22)H(20)Cl(2)O(3), the cyclo-hexyl ring adopts a chair conformation. The furanyl ring plane makes dihedral angles of 70.10 (2) and 86.12 (3)° with the 2,4-dichloro-phenyl ring and aromatic ring of the benzyl group, respectively. The crystal structure features weak inter-molecular C-H⋯O and C-H⋯Cl hydrogen bonds.
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The mol-ecule of the title compound, C(15)H(9)BrCl(2)O, is shown to be the E isomer, with the 3,4-dichloro-benzoyl and p-bromo-phenyl substituents in trans positions with respect to the chalcone olefin bond. The mol-ecule is non-planar, the two aromatic rings forming a dihedral angle of 49.58 (1)°.
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