(E)-4-[(5-Methyl-2-furyl)methyleneamino]benzenesulfonic acid
نویسنده
چکیده
The title compound, C(12)H(11)NO(4)S, is a Schiff base derived from the condensation reaction of equimolar quanti-ties of sulfamide and furfural. The mol-ecule has a trans configuration with respect to the imine C=N double bond. The N atom is involved in an inter-molecular O-H-N hydrogen bond.
منابع مشابه
1-(4-Chlorophenyl)-3-(5-methyl-2-furyl)prop-2-en-1-one
The title compound, C(14)H(11)ClO(2), was prepared from 4-chloro-hypnone and 5-methyl-furfural by an aldol condensation reaction. The dihedral angle formed between the two benzene rings is 7.71 (2)°. The crystal structure is stabilized by C-H⋯O inter-actions.
متن کامل4-{[(5-Methyl-2-furyl)methylene]hydrazinocarbonyl}pyridinium chloride monohydrate
The title compound, C(12)H(12)N(3)O(2) (+)·Cl(-)·H(2)O, was prepared by the reaction of N'-[(5-methyl-2-fur-yl)methyl-ene]isonicotino-hydrazide and hydro-chloric acid at room temperature. The entire molecule is approximately planar with a maximum deviation of 0.047 (2) Å. An intramolecular C-H⋯O interaction is observed. O-H⋯Cl, N-H⋯Cl, N-H⋯O, N-H⋯N, C-H⋯Cl and C-H⋯O hydrogen-bonds stabilize the...
متن کاملDiethyl 2-[(1-methyl-1H-pyrrol-2-yl)methyleneamino]-5-(2-thienylmethyleneamino)thiophene-3,4-dicarboxylate
Both imine bonds of the title compound, C(21)H(21)N(3)O(4)S(2), were found to be in the E configuration. The terminal pyrrole and thio-phene rings are twisted by 2.5 (3) and 2.3 (2)°, respectively, from the mean plane of the central thio-phene to which they are attached. The structure is disordered by exchange of the terminal heterocyclic rings; the site occupancy factors are ca 0.8 and 0.2. Th...
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The title compound, C(15)H(14)O(2), was prepared from 4-methyl-hypnone and 5-methyl-furfural by Clasion-Schmidt condensation. All of the bond lengths and bond angles are in normal ranges. The dihedral angle formed by the benzene ring and furan ring is 5.31 (2).
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In the title compound, C(17)H(17)N(3)O(2), a derivative of 4-amino-anti-pyrine, the structure displays a trans configuration with respect to the imine C=N double bond. The pyrazoline ring is essentially planar and makes a dihedral angle of 55.80 (1)° with the phenyl ring.
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