2,3-Dicyano-4-[(4-methylphenylsulfonyl)oxy]phenyl 4-methylbenzenesulfonate
نویسندگان
چکیده
In the title compound, C(22)H(16)N(2)O(6)S(2), the dihedral angle formed by the mean planes of the two benzene rings of the 4-methyl-phenyl-sulfonate groups is 21.9 (1)° and these rings form dihedral angles of 48.26 (9) and 52.73 (9)° with the central benzene ring.
منابع مشابه
4-Chloro-1-(4-methylphenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine
The crystal structure of the title compound, C(14)H(11)ClN(2)O(2)S, features a three-dimensional network stabilized by π-π inter-actions between the rings of the 4-methyl-phenyl-sulfonyl protecting group [centroid-centroid distance = 3.623 (1) Å]. The 4-methyl-phenyl-sulfonyl ring makes a dihedral angle of 79.60 (6)° with the 4-chloro-1H-pyrrolo[2,3-b]pyridine unit.
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In the title compound, C(24)H(16)N(2)O(6), the dihedral angles between the central 4,5-dicyano-1,2-phenyl-ene unit [maximum deviation from planarity = 0.014 (4) Å] and the pendant benzene rings are 73.62 (5) and 84.08 (6)°.
متن کاملN-(2,3-Dimethylphenyl)-4-methyl-N-(4-methylphenylsulfonyl)benzenesulfonamide
In the title compound, C(22)H(23)NO(4)S(2), the dihedral angles between the dimethyl-phenyl ring and the two methyl-phenyl rings are 41.19 (15) and 20.50 (17)°; the dihedral angle between the methyl-phenyl rings is 48.11 (14)°. The C-N-S-C torsion angles are -87.6 (2) and 77.43 (18)°. The only possible directional inter-actions in the crystal are very weak C-H⋯π inter-actions and very weak π-π ...
متن کامل(E)-2-Bromo-4-[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)iminomethyl]-6-methoxyphenyl 4-methylbenzenesulfonate
In the title compound, C(26)H(24)BrN(3)O(5)S, the central benzene ring makes dihedral angles of 6.27 (6), 33.63 (6) and 69.31 (5)°, respectively, with the pyrazolone ring, the bromo-benzene ring and the terminal phenyl ring. An intra-molecular C-H⋯O hydrogen bond occurs. The crystal packing features weak non-classical C-Br⋯O inter-actions [Br⋯O = 3.222 (2) Å] that form inversion-related dimers.
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The three title compounds form part of a set of important precursor dissacharides which lead to novel therapeutics, in particular for Alzheimer's disease. All three crystallize as poorly diffracting crystals with one independent mol-ecule in the asymmetric unit. Two of them are isostructural: 4-meth-oxy-phenyl 4-O-[6-O-acetyl-2-azido-3-O-benzyl-2-de-oxy-4-O-(9-fluor-en-yl-methyl-oxycarbon-yl)-α...
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