نتایج جستجو برای: dimethyl formamide
تعداد نتایج: 27454 فیلتر نتایج به سال:
In the title compound, [Cd(C(2)N(3))(2)(C(3)H(7)NO)(2)], the Cd(2+) ion lies on an inversion center and adopts an octa-hedral coordination geometry, in which four N atoms from four different dicyanamide ligands lie in the equatorial plane and two dimethyl-formamide O atoms occupy the axial positions. The Cd atoms are connected by two dicyanamide ligands, resulting in a neutral chain propagating...
2-Amino-4-phenyl-5,6,7,8-tetrahydroquinoline-3-carbonitrile (3) was synthesized by treating cyclohexanone (1) with 2-benzylidenemalononitrile (2) in the presence of ammonium acetate. The reactivity of compound 3 towards dimethylformamide dimethyl acetal (DMF-DMA), carbon disulfide, urea, thiourea, formamide, formic acid, acetyl chloride and isothiocyanate were studied. In addition, the antimicr...
In the title compound, [Cu(C(16)H(14)N(4)O)(2)](C(6)H(2)N(3)O(7))(2)·4C(3)H(7)NO, the Cu(II) ion is located on a crystallographic inversion center and is coordinated in a distorted octa-hedral environment by four N atoms and two O atoms forming two long Cu-O bonds. One of the unique dimethyl-formamide solvent mol-ecules is disordered over two sites with occupancies of 0.715 (6) and 0.285 (6). T...
In the title compound, C(16)H(9)BrO(5)·2C(3)H(7)NO, the chromene ring system is essentially planar. The two dimethyl-formamide solvent mol-ecules are linked by inter-molecular O-H⋯O hydrogen bonds to the 6-bromo-3-hydr-oxy-4-oxo-2-phenyl-4H-chromene-8-carboxylic acid molecules.
in this study silver/poly vinyl alcohol (pva) and silver/poly vinyl pyrrolidone (pvp) nanocomposites were prepared via reduction of silver salt by employing dmf (n, n`- dimethyl formamide) as a reducing agent. effects of protective agents such as pva and pvp were also described here. we show that the acidic ph of pvp solution also affects the interaction between protective agents and silver nan...
In the title complex, [Cd(C(15)H(11)N(5)O(8))(H(2)O)(2)]·2C(3)H(7)NO, the Cd(II) ion is located on a twofold rotation axis and is seven-coordinated in a distorted penta-gonal-bipyramidal manner. The asymmetric unit comprises one metal ion, one doubly deprotonated N,N'-bis-(3-carboxy-prop-2-eno-yl)pyridine-2,6-dicarbohydrazide ligand, two coordinating water mol-ecules and two dimethyl-formamide ...
The Schiff base ligand derived from the condensation of 3,5-dibromo-salicylaldehyde and 1,2-phenyl-enediamine, in the presence of dimethyl-formamide, forms the centrosymmetric title neutral binuclear distorted complex, [Cd(2)(C(20)H(10)Br(4)N(2)O(2))(2)(C(3)H(7)NO)(2)], with the two octa-hedral Cd atoms linked by two O atoms. All bond lengths and angles show normal values.
The title compound, C(25)H(30)N(4) (2+)·2Br(-)·H(2)O, was synthesized from 1,1'-propyl-enedibenzimidazole and (E)-1-bromo-but-2-ene in dimethyl-formamide solution. The two benzimidazole ring systems are essentially planar, with maximum deviations of 0.011 (4) and 0.023 (3) Å. The dihedral angle between these two ring systems is 25.87 (15)°. The crystal structure is stabilized by inter-molecular...
The structure of the title compound, [Mg(C(10)H(6)O(6)S(2))(C(3)H(7)NO)(2)](n), consists of MgO(6) octa-hedra ( symmetry) connected to naphthalene-1,5-disulfonate ligands ( symmetry) in the equatoral plane, forming a two-dimensional network propagating parallel to (010). The coordination sphere of the Mg atom is completed by the O atoms of two N,N-dimethyl-formamide (DMF) mol-ecules in the axia...
In the title coordination polymer, [Cd(C(7)H(4)N(3)O(2))(2)(C(3)H(7)NO)(2)](n), the Cd(II) atom, lying on an inversion center, is six-coordinated in a distorted N(4)O(2) octa-hedral geometry. The N atoms of the 4-nitrophenylcyanamide anions form the equatorial plane and the O atoms of the dimethyl-formamide mol-ecules occupy the axial positions. The anions act as bridging ligands, connecting th...
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