منابع مشابه
3-Phenyl-1,5-di-2-thienylpentane-1,5-dione
The asymmetric unit of the title compound, C(19)H(16)O(2)S(2), contains two independent mol-ecules with slightly different conformations. In the crystal structure, weak inter-molecular C-H⋯O hydrogen bonds [C⋯O = 3.279 (15) and 3.407 (16) Å] link the mol-ecules into chains extended along the c axis.
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In the title compound, C(13)H(17)NO(2)S, the thia-zolidine-1,4-dione ring adopts an envelope conformation with the S atom lying 0.631 (4) Å out of the plane formed by the other four ring atoms; the phenyl ring is almost perpendicular [88.74 (8)°] with respect to the ring C-C-N-C atoms and the butyl chain is in a fully extended conformation. In the crystal, a supra-molecular two-dimensional arra...
متن کامل3-(2,4-Dichlorophenyl)-1,5-di-2-furylpentane-1,5-dione
In the title compound, C(19)H(14)Cl(2)O(4), intra-molecular C-H⋯O and C-H⋯Cl hydrogen bonds generate S(6) and S(5) ring motifs, respectively. In the crystal structure, inter-molecular C-H⋯O inter-actions between symmetry-related mol-ecules involving two methyl-ene groups and an O atom as a bifurcated acceptor generate an R(2) (1)(6) ring motif. In the mol-ecule, one of the furan rings is rotati...
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Charge transfer in DNA cannot be understood without addressing the complex conformational flexibility, which occurs on a wide range of timescales. In order to reduce this complexity four dinucleotide models 1X consisting of benzophenone linked by a phosphodiester to one of the natural nucleosides X = A, G, T, C were studied in water and methanol. The theoretical work focuses on the dynamics and...
متن کامل1,2-Di-2-furylethane-1,2-dione
The title compound, C(10)H(6)O(4), lies across a twofold rotation axis through the midpoint of the C-C bond between the two carbonyl groups. The furan ring plane and the plane through all atoms are inclined at 23.88 (1)°. In the crystal structure, weak C-H⋯O hydrogen bonds form sheets in the bc plane and columns down the c axis.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2008
ISSN: 1600-5368
DOI: 10.1107/s1600536808009884