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1-Dec-yloxy-4-nitro-benzene.

ABSTRACT: The title compound, C(16)H(25)NO(3), has a zigzag dec-yloxy chain para to the nitro group of the aromatic ring. There are two independent mol-ecules; the two rings are aligned at 48.15 (7)°. In the crystal, weak C-H⋯O hydrogen bonds lead to the formation of infinite chains.

SUBMITTER: Yue XG

PROVIDER: S-EPMC2970962 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1-Dodec-yloxy-4-nitro-benzene.

Project description:The asymmetric unit of the title compound, C(18)H(29)NO(3), contains two independent mol-ecules. The benzene ring and the mean plane of the alkyl unit form dihedral angles of 83.69 (12) and 77.14 (11)° in the two mol-ecules. In the crystal structure, weak C-H⋯O hydrogen bonds link mol-ecules into double-layer ribbons extending in [110].

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Project description:In the title compound, C(9)H(7)Cl(2)NO(3), the dihedral angle between the benzene ring and the plane of the nitro group is 50.2?(1)°, and that between the benzene ring and the best plane through the dichloro-allyl fragment is 40.1?(1)°.

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1,4-Dihex-yloxy-2,5-bis-(2-nitro-phen-yl)benzene.

Project description:The title compound, C(30)H(36)N(2)O(6), was prepared via twofold Suzuki coupling of a diboronic acid with bromo-nitro-benzene. The mol-ecule is located on a crystallographic inversion centre. The lateral benzene ring and the central ring make a dihedral angle of 48.75 (14)° and the nitro group is twisted by 41.47 (13)° out of the plane of the benzene ring. The nitro and hex-yloxy groups are in close proximity and the hex-yloxy chain adopts an all-anti conformation.

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1-Benz-yloxy-4-(2-nitro-ethen-yl)benzene.

Project description:The title compound, C(15)H(13)NO(3), crystallizes with three independent mol-ecules per asymmetric unit (Z' = 3). One of these mol-ecules is found to have a configuration with a greater twist between its two aromatic rings than the other two [compare 70.26?(13) and 72.31?(12)° with 84.22?(12)°]. There are also differences in the number and nature of the weak inter-molecular C-H?O contacts formed by each of the three mol-ecules.

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Project description:In the title compound, C(13)H(9)ClFNO(3), the benzene rings are oriented at a dihedral angle of 41.23?(5)°. In the crystal structure, inter-molecular C-H?O inter-actions link the mol-ecules in a herring-bone arrangement along the b axis and weak ?-? contacts between the benzene rings [centroid-centroid distance = 3.881?(1)?Å] may further stabilize the structure.

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Project description:In the title compound, C(10)H(9)Cl(2)NO(3), the dihedral angle between the benzene ring and the plane of the nitro group is 39.1?(1)°, while that between the benzene ring and the plane through the three C and two Cl atoms of the dichloro-all-yloxy unit is 40.1?(1)°. In the crystal, C-H?O hydrogen bonds to the nitro groups form chains along the b axis. These chains are linked by inversion-related pairs of Cl?O inter-actions at a distance of 3.060?(3)?Å, forming sheets approximately parallel to [-201] and generating R(2) (2)(18) rings. ?-? contacts between benzene rings in adjacent sheets, with centroid-centroid distances of 3.671?(2)?Å, stack mol-ecules along c.

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4-(Benz-yloxy)phenyl 4-hexa-dec-yloxy-3-meth-oxy-benzoate.

Project description:In the title compound, C(37)H(50)O(5), the central benzene ring makes dihedral angles of 39.72?(14) and 64.43?(13)° with the benzyl and 3-meth-oxy-benzoate rings, respectively. The crystal structure is stabilized by inter-molecular C-H?? inter-actions involving the central benzene ring and the benzene ring closest to the aliphatic chain.

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1,4-Bis(hex-yloxy)benzene.

Project description:The asymmetric unit of the title compound, C18H30O2, contains one half-mol-ecule situated on an inversion center. The alkyl chain adopts a fully extended all-trans conformation. The C atoms of the alkyl chain are almost coplanar, with a maximum deviation of 0.042?(6)?Å from the mean plane,which is inclined to the central benzene ring by 6.80?(9)°. The crystal packing exhibits no short inter-molecular contacts.

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