4-Bromo-2-[1-(4-ethoxyphenyl)-1-methylethyl]-1-methylbenzene
نویسندگان
چکیده
In title compound, C(18)H(21)BrO, the dihedral angle between two rings is 85.72°. No classical hydrogen bonds are found and only van der Waals forces stabilize the crystal packing.
منابع مشابه
(E)-1-{4-[Bis(4-bromophenyl)methyl]piperazin-1-yl}-3-(4-ethoxyphenyl)prop-2-en-1-one
In the title compound, C(28)H(28)Br(2)N(2)O(2), the C=C double bond has an E configuration and the piperazine ring has a chair conformation, with the N-C bonds in equatorial orientations. The dihedral angle between the bromo-benzene rings is 83.1 (4)°. In the crystal, mol-ecules are linked by C-H⋯O and C-H⋯Br hydrogen bonds.
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The asymmetric unit of the title compound, C17H14BrCl3O, contains two independent mol-ecules with different dihedral angles between the benzene rings [79.2 (1) and 72.7 (1)°]. In the crystal, weak C-H⋯π inter-actions link mol-ecules related by translation along the b axis into two crystallographically independent chains.
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In the title compound, C(25)H(21)BrN(2)O(3)·H(2)O, the benzimidazole fragment and the water mol-ecule of crystallization are each disordered over two sets of sites of equal occupancy. The dihedral angles between the least-squares planes of the benzimidazole and the 3-eth-oxy- and 4-bromo-benzene rings are 86.9 (6) and 85.1 (1)°, respectively in one disorder component. The crystal packing is sta...
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In the title compound, C(17)H(14)BrClN(4)O(2), the pyrazole ring is almost coplanar with the benzene ring [dihedral angle = 0.5 (2)°], whereas the pyrazole ring is close to perpendicular to the 3-chloro-pyridine ring [dihedral angle = 73.7 (2)°]. An intra-molecular C-H⋯O hydrogen bond occurs. The dominant inter-action in the crystal packing is an N-H⋯N hydrogen bond, which generates a chain alo...
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In the title compound, C(16)H(15)BrO(2), the dihedral angle between the benzene rings is 68.5 (2)°. In the crystal structure, mol-ecules are linked by weak C-H⋯O hydrogen bonds into chains parallel to the b axis.
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