Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 105, listelenen: 81-100
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3-(3-Pyridylamino)isobenzofuran-1(3H)-one
(Int Union Crystallography, 2006)The crystal packing of the title compound, C13H10O2N2, is stabilized by one N-H center dot center dot center dot N and two C-H center dot center dot center dot O intermolecular hydrogen bonds and also by two C-H center dot ... -
3-(4-hydroxyanilino)isobenzofuran-1 (3H)-one
(Int Union Crystallography, 2006)The title compound, C14H11NO3, is stabilized by intermolecular O-H center dot center dot center dot O, N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds, and by three C-H ... -
(E)-5-[(3-chlorophenyl)diazenyl]-2-hydroxy-3-methoxybenzaldehyde
(Int Union Crystallography, 2006)The title compound, C14H11ClN2O3, contains an azo group (-N=N-), and the configuration around the -N=N- double bond is trans. There are intramolecular O-H (...) O and intermolecular C-H (...) O hydrogen bonds, and the ... -
(E)-2-hydroxy-3-methoxy-5-[(3-methoxyphenyl)diazenyl]benzaldehyde
(Int Union Crystallography, 2006)The molecule of the title compound, C15H14N2O4, is approximately planar and displays a trans configuration with respect to the N=N double bond. The molecules are linked by intermolecular C-H (...) O and C-H (...)pi ... -
3-(4-methylpyridin-2-ylamino)isobenzofuran-1(3H)-one
(Int Union Crystallography, 2006)Crystals of the title compound, C14H12O2N2, are stabilized by inversion-related N-(HN)-N-... and C-(HO)-O-... inter-molecular hydrogen bonds and also by two C-H-...pi inter-actions. The N-(HN)-N-... and C-(HO)-O-... hydrogen ... -
2-pyridiniohydrazinium dichloride
(Blackwell Publishing, 2006)The crystal structure of the title compound, C5H9N32+center dot 2Cl(-), is stabilized by N-H center dot center dot center dot Cl hydrogen bonds, forming a three-dimensional network. Each chloride anion forms three hydrogen ... -
7,7a-Dihydroisoindolo[2,1-a]pyrimidin-12-one
(Int Union Crystallography, 2006)The crystal structure of the title compound, C18H12N2O, is stabilized by intermolecular N-H (...) O hydrogen bonds and C-H (...) pi interactions. N-H (...) O hydrogen bonds generate a C( 6) chain. The dihedral angle between ... -
3-Anilinoisobenzofuran-1(3H)-one
(Int Union Crystallography, 2006)Crystals of the title compound, C14H11NO2, are stabilized by an intermolecular N-H (...) O hydrogen bond and a weak pi-pi interaction. N-H (...) O hydrogen-bond interactions generate C(6) chains. The phthalide section of ... -
3-[(2-hydroxy-5-nitrophenyl)amino]-2-benzofuran-1(3H)-one monohydrate
(Int Union Crystallography, 2006)The crystal structure of the title compound, C14H10N2O5 center dot H2O, is stabilized by inversion-related O-H center dot center dot center dot O and C-H center dot center dot center dot O intermolecular hydrogen bonds and ... -
3-(4-Methylpiperidin-1-yl)isobenzofuran-1(3H)-one
(Int Union Crystallography, 2006)The crystal structure of the title compound, C14H17NO2, is stabilized by three intermolecular C-H (...) O hydrogen bonds and one pi-pi interaction. C-H (...) O hydrogen bonds generate an edge-fused [R-3(3)(13) R-4(2)(14) ... -
2-amino-6-methylpyridinium 2-formylbenzoate monohydrate
(Int Union Crystallography, 2006)The title compound, C6H9N2+center dot C8H5O3-center dot H2O, contains hydrogen-bonded [R-2(2)(8)R-4(2)(8)R-2(2)(8)] motifs involving 2-amino-6-methylpyridinium and 2-carbonylbenzoate ions. These motifs are connected by ... -
Synthesis, structural characterization and chromotropism of a Ni(II) and a Co(II) compound with acesulfamate as a ligand
(Springer, 2006)The novel bis(acesulfamato-O)tetraaquanickel(II) and bis(acesulfamato-N)tetraaquacobalt(II) complexes have been synthesized and characterized by elemental analyses, magnetic measurements, u.v.-vis and FT-IR spectra. The ... -
(Z)-6-{[1,3-Dihydroxy-2-(hydroxymethyl)propan-2-ylamino]methylene}-2-methoxy-4-[(E)-o-tolyldiazenyl]cyclohexa-2,4-dienone
(Int Union Crystallography, 2006)The title compound, C19H23N3O5, adopts the keto-amine tautomeric form with the hydroxy H atom located on the N atom, where it is involved in a strong intramolecular N H center dot center dot center dot O hydrogen bond. The ... -
Propynylferrocene and (phenylethynyl)ferrocene
(Blackwell Publishing, 2006)The title compounds, propynylferrocene, [Fe(C5H5)(C8H7)], (I), and (phenylethynyl) ferrocene, [Fe(C5H5)(C13H9)], (II), are stabilized by weak C-H center dot center dot center dot pi interactions. The C C bond distances in ... -
2,6-diaminopyridinium hydrogen fumarate
(Int Union Crystallography, 2006)The title compound, C5H8N3+ center dot C4H3O4-, contains edge-fused [R-2(1)(6)R-2(2)(8)R-2(2)(8)R-6(5)(26)R-2(1)(6)] motifs involving 2,6- diaminopyridinium and hydrogen fumarate ions. In these motifs, 2,6diaminopyridinium ... -
Synthesis, crystal structure, spectral and thermal studies of a new organic-inorganic hybrid cobalt(II) complex of 2,2 '-bipyridine and nitrate with squarate
(Walter De Gruyter Gmbh, 2006)The [Co(NO3)(bipy)(2)](sq)(1/2)center dot 4H(2)O complex (1) (bipy: 2,2'-bipyridine, sq(2-): squarate) has been prepared and characterized by elemental analysis, IR, UV/vis spectra, thermal analysis, and single crystal ... -
{6,6 '-Dimethoxy-2,2 '-[ethane-1,2-diylbis-(nitrilomethylidyne)]diphenolato} (ethanol)-dioxouranium(VI)
(Int Union Crystallography, 2006)In the title compound, [UO2(C18H18N2O4)(C2H6O)], the U atom has a distorted pentagonal-bipyramidal geometry with a tetradentate Schiff base and ethanol ligands in the equatorial plane and oxo atoms in the axial positions. ... -
Determination of Heavy Metal in Anchovy (Engraulis encrasicolus L 1758) and Whiting (Merlangius merlangus euxinus Nordman, 1840) Fish in the Middle Black Sea
(Kafkas Univ, Veteriner Fakultesi Dergisi, 2011)In this research, the determination of heavy metals in fishes (anchovy and whiting) caught in Samsun which is the province of Middle Black Sea was aimed. Having been washed, dried and cut in to small pieces the fishes HNO3 ... -
Benzer Yapılı kanserojen Maddeler: Poliklorobifeniller ve Organoklorürlü Pestisitlerin Ayrılarak Tayin Edilmeleri
(2012)Poliklorobifeniller (PCB) ve organoklorürlü pestisitler (OCP) genellikle karbon ve hidrojen atomuna bağlı bir veya daha fazla sayıda klor atomu içeren organik moleküllerdir. Organoklorürlü pestisitler, geçmişte tarımsal ... -
Determination of Heavy Metal in Anchovy (Engraulis encrasicolus L 1758) and Whiting (Merlangius merlangus euxinus Nordman, 1840) Fish in the Middle Black Sea [1]
(2011)Bu çalışmada Orta Karadeniz'in Samsun ilinde avlanan balıklarda (Hamsi ve Mezgit) ağır metallerin tayin edilmesi amaçlanmıştır. İncelenen balıklar yıkanıp kurutulup küçük parçalar haline getirildikten sonra, HNO3, HCIO4 ...
