نتایج جستجو برای: benzofuran
تعداد نتایج: 1400 فیلتر نتایج به سال:
In the title compound, C(20)H(13)BrO(2)S, the O atom and the phenyl group of the phenyl-sulfinyl substituent are located on opposite sides of the plane of the benzofuran system. The S-bound phenyl ring is almost perpendicular to this plane [80.35 (8)°]. The phenyl ring in the 2-position is twisted with respect to the benzofuran plane, making a dihedral angle of 16.0 (1)°.
In the title compound, C(28)H(21)ClN(4)O(4), the benzofuran ring systems make dihedral angles of 7.43 (8) and 30.92 (9)° with the chloro-substituted benzene ring. The dihedral angle between the two benzofuran ring systems is 27.41 (7)°. The two benzofuran rings are connected to the chloro-substituted benzene ring through C-N-N=C and C-N-N=C-C bridges which are nearly planar [maximum deviations ...
The title compound, C(16)H(13)IO(2)S, was prepared by the oxidation of 2-(4-iodo-phen-yl)-5-methyl-3-methyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The 4-iodo-phenyl ring makes a dihedral angle of 37.97 (9)° with the plane of the benzofuran fragment, and the O atom and the methyl group of the methyl-sulfinyl substituent lie on opposite sides of this plane. The mol-ecular packin...
A series of benzofuran-based N-benzylpyridinium derivatives 5a-o were designed and synthesized as novel AChE inhibitors. The synthetic pathway of the compounds involved the preparation of 4-(benzofuran-2-yl)pyridine intermediates via the reaction of different salicylaldehyde derivatives and 4-(bromomethyl)pyridine, followed by intramolecular cyclization. Subsequently, the 4-(benzofuran-2-yl)pyr...
An unexpected and previously unknown resorcinarene mono-crown with a fused benzofuran moiety in its macrocyclic core was obtained as a byproduct from a bridging reaction of tetramethoxy resorcinarene with tetraethylene glycol ditosylate. The formation of the fused benzofuran moiety in the resorcinarene macrocycle resulted in a unique rigid and puckered boat conformation, as shown by XRD studies...
In the title compound, C(21)H(13)BrO(4)S·C(6)H(6), the O atom and the phenyl group of the phenyl-sulfinyl substituent are located on opposite sides of the mean plane of the 5,6-methyl-enedioxy-benzofuran fragment; the phenyl ring is almost perpendicular to this plane [83.66 (6)°]. The 4-bromo-phenyl ring is rotated slightly out of the 5,6-methyl-enedioxy-benzo-furan plane, making a dihedral ang...
In the title compound, C(15)H(10)BrFO(2)S, the O atom and the methyl group of the methyl-sulfinyl substituent are located on opposite sides of the plane through the benzofuran fragment. The 4-fluoro-phenyl ring is rotated out of the benzofuran plane, as indicated by a dihedral angle of 26.23 (5)°. The crystal structure is stabilized by a non-classical inter-molecular C-H⋯O hydrogen bond and a B...
In the title compound, C(15)H(10)ClFO(2)S, the O atom and the methyl group of the methyl-sulfinyl substituent are located on opposite sides of the plane through the benzofuran fragment. The 4-fluoro-phenyl ring is rotated out of the benzofuran plane, making a dihedral angle of 25.99 (4)°. The crystal structure is stabilized by a non-classical inter-molecular C-H⋯O hydrogen bond and a Cl⋯O halog...
In the title compound, C(16)H(13)BrO(2)S, the O atom and the methyl group of the methyl-sulfinyl substituent lie on opposite sides of the plane of the benzofuran fragment. The 4-bromo-phenyl ring is rotated out of the benzofuran plane, making a dihedral angle of 39.23 (8)°. The crystal structure exhibits weak non-classical inter-molecular C-H⋯O hydrogen bonds and two inter-molecular C-H⋯π inter...
A one-pot reaction of an equimolar mixture 4-methoxyaniline, phenyl isothiocyanate, and 2-bromoacetylbenzofuran in absolute ethanol the absence any catalysts afforded 4-(benzofuran-2-yl)-3-(4-methoxyphenyl)-N-phenylthiazol-2(3H)-imine with 83% yield. Under similar conditions, 4-flouroaniline provided a expected 4-(benzofuran-2-yl)-3-(4-fluorophenyl)-N-phenylthiazol-2(3H)-imine unexpected 4-(ben...
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