1-Bromo-2-[(E)-2-nitroethenyl]benzene
نویسندگان
چکیده
In the title compound, C(8)H(6)BrNO(2), the dihedral angle between the planes of the benzene ring and the nitro group is 22.99 (12)°. In the crystal, inversion dimers associated by pairs of short Br⋯O contacts [3.2319 (17) Å] occur.
منابع مشابه
1,2-Dimethoxy-3-[(E)-2-nitroethenyl]benzene
The title compound, C(10)H(11)NO(4), was synthesized via condensation of 2,3-dimeth-oxy-benzaldehyde with nitro-methane using microwave irradiation without solvent. The H atoms of the -CH=CH- group are in a trans configuration. The dihedral angle between the mean planes of the benzene ring and the nitro-alkenyl group is 23.90 (6)°.
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The title mol-ecule, C(12)H(9)NO(2), adopts a trans configuration about the olefinic double bond. The dihedral angle between the naphthalene ring system (r.m.s. deviation = 0.012 Å) and the nitro-ethenyl group (r.m.s. deviation = 0.032 Å) is 12.66 (5)°. The mol-ecules are linked into a two-dimensional network parallel to the bc plane by C-H⋯O hydrogen bonds. The substituted benzene rings in adj...
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In the title compound, C(16)H(13)BrO(2), the dihedral angle between the mean planes of the meth-oxy- and bromo-substituted benzene rings is 24.6 (1)°. The angles between the mean plane of the prop-2-en-1-one group and the 4-bromo-phenyl and 2-meth-oxy-phenyl ring planes are 18.8 (1) and 6.0 (1)°, respectively.
متن کامل(E)-1-Bromo-4-(2-nitroprop-1-enyl)benzene
The title compound, C(9)H(8)BrNO(2), which was synthesized by the condensation of 4-bromo-benzaldehyde with nitro-ethane, possesses a trans configuration. The dihedral angle between the benzene ring and the mean plane of the double bond is 7.31 (3)°. The crystal structure is stabilized by short inter-molecular Br⋯O contacts [3.168 (4) Å].
متن کامل(2E)-1-(2-Bromophenyl)-3-(4-bromophenyl)prop-2-en-1-one
The title compound, C(15)H(10)Br(2)O, is a chalcone with 2-bromo-phenyl and 4-bromo-phenyl rings bonded to opposite sides of a propenone group. The dihedral angle between mean planes of the benzene rings is 71.3 (1)°. The angle between the mean plane of the prop-2-ene-1-one group and the mean planes of the 2-bromo-phenyl and 4-bromo-phenyl rings are 64.2 (9) and 71.3 (1)°, respectively. A weak ...
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