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4-(4-Nitro-phenoxy)biphen-yl.

ABSTRACT: The two phenyl rings of the biphenyl unit of the title compound, C(18)H(13)NO(3), are almost coplanar [dihedral angle 6.70 (9)°]. The nitro-phenyl ring, on the other hand, is significantly twisted out of the plane of the these two rings, making dihedral angles of 68.83 (4)° with the middle ring and 62.86 (4)° with the end ring. The nitro group is twisted by 12.1 (2)° out of the plane of the phenyl ring to which it is attached.

SUBMITTER: Akhter Z

PROVIDER: S-EPMC2968949 | biostudies-literature |

REPOSITORIES: biostudies-literature

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3,3',5,5'-Tetra-nitro-biphen-yl.

Project description:The title compound, C(12)H(6)N(4)O(8), is a biphenyl system that was synthesized as a building block for a new series of anti-malarial compounds. The aromatic rings are oriented at a dihedral angle of 45.5?(2)°, and inter-molecular short O?O contacts form a chain along the b axis. The strength of the inter-actions involved in this chain cause one of the rings to be slightly distorted, with the torsion angle between the nitro groups being 23.4?(2)°, whereas, in the other ring, both nitro systems are parallel, forming an angle of 9.6?(2)° with the plane of the aromatic ring to which they are bound. Furthermore, the three ring C atoms around the ring-ring linkage belong to a plane inclined by 4.5?(1)° in relation to the plane containing the other three C atoms, i.e. (NO(2)-)C-C-C(NO(2)). This distortion of the ring causes uncommonly short intermolecular O?O [3.038?(2)?Å] and O?C [3.000?(4) and 3.214?(1)?Å] contacts.

| S-EPMC2977734 | biostudies-literature

4-Meth-oxy-3-nitro-biphen-yl.

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3,4-Dimeth-oxy-4'-nitro-1,1'-biphen-yl.

Project description:The title compound, C(14)H(13)NO(4), was prepared through a palladium-catalysed Suzuki-Miyaura coupling reaction. The asymmetric unit comprises two mol-ecules related by pseudo-inversion symmetry. The dihedral angles between the benzene rings in the two mol-ecules are 44.30?(6) and 48.50?(6)° while those between the benzene ring and the nitro group are 6.54?(13) and 5.73?(10)°. The crystal packing is defined only by Van der Waals inter-actions.

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Project description:The title compound, C(14)H(10)F(3)NO(3), was prepared by a palladium-catalysed Suzuki-Miyaura coupling reaction. The dihedral angle between the nitro group and its parent benzene ring is 66.85?(19)° while the dihedral angle between the two benzene rings is 49.98?(9)°. The CF(3) group is disordered over two sets of sites with occupancies of 0.457?(8) and 0.543?(8).

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1-(4-Nitro-phenoxy-meth-yl)-1H-1,2,4-triazole.

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Crystal structure of 4,4'-di-nitro-[1,1'-biphen-yl]-2-amine.

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10-Methyl-9-(2-nitro-phenoxy-carbon-yl)acridinium trifluoro-methane-sulfonate.

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Crystal structure of (E)-1-([1,1'-biphen-yl]-4-yl)-3-(3-nitro-phen-yl)prop-2-en-1-one.

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