5-Chloro-3-ethylsulfinyl-7-methyl-2-(4-methylphenyl)-1-benzofuran
نویسندگان
چکیده
In the title compound, C18H17ClO2S, the dihedral angle between the mean planes of the benzo-furan ring system and the methyl-phenyl ring is 14.50 (4)°. The centroid-centroid distances between the benzene and the methyl-phenyl rings are 3.827 (2) and 3.741 (2) Å, while the centroid-centroid distance between the furan and methyl-phenyl rings is 3.843 (2) Å. These distances indicate π-π inter-actions; on the other hand, the inter-planar angles between the benzene and methyl-phenyl rings, and between the furan and methyl-phenyl rings are 13.89 (4) and 15.53 (4)°, respectively. In the crystal, the mol-ecules stack along the a-axis direction.
منابع مشابه
5-Bromo-3-ethylsulfinyl-7-methyl-2-(4-methylphenyl)-1-benzofuran
In the title compound, C18H17BrO2S, the dihedral angle between the mean planes of the benzo-furan and 4-methyl-phenyl rings is 14.54 (5)°. In the crystal, mol-ecules are linked via pairs of π-π inter-actions between the benzene and 4-methyl-phenyl rings, with centroid-centroid distances of 3.811 (3) and 3.755 (3) Å. A similar inter-action is found between the furan and 4-methyl-phenyl rings, wi...
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In the title compound, C17H15BrO2S, the dihedral angle between the plane of the benzo-furan ring system [r.m.s. deviation = 0.004 (3) Å] and that of the 4-methyl-phenyl ring is 0.9 (2)°. In the crystal, mol-ecules are linked by C-H⋯O, C-H⋯π and Br⋯π [3.636 (2) Å] inter-actions, and by π-π inter-actions between the 4-methyl-phenyl and furan rings of neighbouring mol-ecules [centroid-centroid dis...
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The title compound, C(15)H(18)O(4)S, was prepared by the oxidation of ethyl 2-(3-ethyl-sulfanyl-5-methyl-1-benzofuran-2-yl)acetate with 3-chloro-peroxy-benzoic acid. The crystal structure is stabilized by aromatic π-π inter-actions between the benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.655 (3) Å] and by three inter-molecular C-H⋯O non-classical hydrogen bonds.
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In the title compound, C16H13ClO2S, the dihedral angle between the mean plane [r.m.s. deviation = 0.004 (2) Å] of the benzo-furan ring system and the 4-methyl-phenyl ring is 29.25 (8)°. In the crystal, inversion dimers linked by pairs of weak C-H⋯O interactions generate R 2 (2)(14) loops.
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In the title compound, C17H15IO2S, the dihedral angle between the benzofuran group (r.m.s. deviation = 0.009 Å) and the 4-methylbenzene ring is 12.69 (5)°. In the crystal, mol-ecules are linked via pairs of I⋯O [I⋯O = 3.164 (1) Å, C-I⋯O = 166.63 (5)°] contacts into inversion-related dimers.
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