4,5-Diiodo-2-phenyl-1H-imidazole
نویسندگان
چکیده
The structure of the title compound, C(9)H(6)I(2)N(2), contains two symmetry-independent mol-ecules. The inter-planar angles between the imidazole and phenyl ring planes are 16.35 (3) and 17.48 (6)°. Mol-ecules are connected via N-H⋯N hydrogen bonds to form zigzag chains along the b axis. The title compound is the first example of a structurally characterized 4,5-diiodo-imidazole with an organic substituent in the 2-position and without protection on the N-H group of imidazole.
منابع مشابه
2-(4-Bromophenyl)-1-pentyl-4,5-diphenyl-1H-imidazole
The title compound, C26H25BrN2, is isomorphous with the chloro derivative [2-(4-chloro-phen-yl)-1-pentyl-4,5-diphenyl-1H-imidazole; Mohamed et al. (2013 ▶). Acta Cryst. E69, o846-o847]. The two phenyl rings and the 4-bromo-phenyl ring are oriented at dihedral angles of 30.1 (2), 64.3 (3) and 42.0 (2)°, respectively, with respect to the imidazole ring. In the crystal, mol-ecules stack in columns...
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In the title compound, C(26)H(24)N(2)O(2), the planar 1H-imidazole ring makes dihedral angles of 35.78 (4), 26.35 (5) and 69.75 (5)°, respectively, with the dimeth-oxy-phenyl ring and the phenyl rings in the 4- and 5-positions. In the crystal, C-H⋯O hydrogen bonds connect neighbouring mol-ecules, forming infinite chains running along the b axis. Furthermore, the crystal structure exhibits a C-H...
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In the title compound, C18H18N2O, the imidazole ring makes dihedral angles of 68.26 (7) and 22.45 (9)° with the meth-oxy-phenyl and phenyl rings, respectively. The dihedral angle between the meth-oxy-phenyl and phenyl ring is 71.86 (7)°. In the crystal, weak inter-molecular C-H⋯O and C-H⋯N hydrogen bonds link the mol-ecules into columns propagated in [101].
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In the title mol-ecule, C19H20N2O2, the imidazole ring makes dihedral angles of 57.29 (5) and 31.54 (5)° with the attached di-meth-oxy-phenyl residue and the phenyl ring, respectively. The dihedral angle between the di-meth-oxy-phenyl and phenyl rings is 61.15 (5)°. In the crystal, pairs of C-H⋯N hydrogen bonds connect the mol-ecules into inversion dimers.
متن کامل4,5-Dimethyl-2-phenyl-1-(p-tolyl)-1H-imidazole
In the title compound, C(18)H(18)N(2), the imidazole ring is essentially planar [maximum deviation = 0.004 (1) Å] and makes dihedral angles of 68.91 (8) and 20.43 (9)° with the tolyl and phenyl rings, respectively. The dihedral angle between the latter rings is 73.62 (8)°. The crystal packing is stabilized by inter-molecular C-H⋯N hydrogen bonds.
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عنوان ژورنال:
دوره 68 شماره
صفحات -
تاریخ انتشار 2012