Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 105, listelenen: 61-80
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(E)-2-[1,3-dihydroxy-2-(hydroxymethyl)propan-2-ylaminomethylene]-4-[(4-ethylphenyl)diazenyl]-6-methoxycyclohexanone
(Int Union Crystallography, 2005)The title compound, C20H25N3O5, adopts the keto-amine tautomeric form and displays the characteristic features of azobenzene derivatives. Intramolecular N - H (...) O and O H (...) O and intermolecular O - H (...) O ... -
O,O-bis(2-tert-butyl-4-methoxyphenyl)chlorothiophosphonate. Corrigendum.
(Int Union Crystallography, 2005)In the original report by Odabasoglu, Buyukgungor & Albayrak [ Acta Cryst. ( 2005), E61, o2528 - o2530], the structure was reported in the incorrect space group Cc. The structure is now reported as disordered in the correct ... -
Synthesis, crystal structure and thermal properties of copper(II) orotato complex with 2,2 '-bipyridine
(Walter De Gruyter Gmbh, 2005)A mixed-ligand orotato (HOr) complex of Cu(II) with 2,2'-bipyridine (bipy) was synthesized and characterized by elemental analysis, magnetic susceptibility, UV-vis and FT-IR spectroscopy, TG / DTA techniques and X-ray ... -
(E)-5-(4-Bromophenyldiazenyl)salicylaldehyde
(Int Union Crystallography, 2005)The molecule of the title compound, C13H9BrN2O2, is approximately planar and displays a trans configuration with respect to the N=N double bond. The dihedral angle between the two aromatic rings is 3.65 (16)degrees. The ... -
(Z)-4-[(E)-(4-Butylphenyl)diazenyl]-6-{[1,3-dihydroxy-2-(hydroxymethyl) propan-2-ylamino]methylene}-2-methoxycyclohexa-2,4-dienone
(Int Union Crystallography, 2005)The title compound, C22H29N3O5, is approximately planar with the aromatic rings in a trans configuration with respect to the azo double bond. The eneamine portion of the molecule exists as the keto-amine tautomer, stabilized ... -
2-Amino-3-methylpyridinium acetate
(Int Union Crystallography, 2006)The title compound, C6H9N2+ center dot C2H3O2-, contains eight- and sixteen-membered hydrogen-bonded rings involving 2-amino-3-methylpyridinium and acetate ions. The 2-amino-3-methylpyridinium and acetate ions are linked ... -
Bis(3-formyl-4-hydroxy-5-methoxyphenyl)-methane
(Int Union Crystallography, 2006)In the title compound, C17H16O3, the asymmetric unit contains one half-molecule; a twofold rotation axis bisects the molecule. The structure is stabilized by O-(HN)-N-... intramolecular hydrogen bonds and C-H-...pi and ... -
Monoclinic and triclinic concomitant polymorphs of di-mu-pyridazine-1 kappa N-2 : 2 kappa N-2'-bis[(saccharinato)silver(I)]
(Int Union Crystallography, 2006)Crystallization of the title compound, di-mu-pyridazine-1 kappa N-2:-2 kappa N-2'-bis[(2,3-dihydro-3-oxobenzisosulfonazolato-kappa N)silver(l)], [Ag-2(C7H4NO3S)(2)(C4H4N2)(2)], from acetonitrile yields both monoclinic, ... -
Synthesis, spectral, thermal and structural characterization of the copper(II) saccharinato complex of 2-aminopyrimidine, [Cu(sac-O)(2)(ampym-N)(2)(H2O)2]center dot 2ampym
(Walter De Gruyter Gmbh, 2006)Bis(2-aminopyrimidine-N)diaquabis(saccharinato-O)copper(II) di(2-aminopyrimidine), [Cu(sac-O)(2)(ampym-N)(2)(H2O)(2)]center dot 2ampym was synthesized and characterized by means of elemental analysis, IR and UV-vis ... -
Synthesis, crystal structure, spectral and thermal characterization of cis-diaquabis(1,10-phenanthroline)zinc(II) diorotate hydrate, cis-[Zn(H2O)(2)(phen)(2)](H(2)Or)(2)center dot(H2O)(2.125)
(Verlag Z Naturforsch, 2006)Preparation, X-ray crystal structure, thermal behavior, and IR spectroscopic studies of cis-diaquabis(1,10-phenanthroline)zinc(II) diorotate hydrate are described. In the compound [Zn(H2O)(2)(C12H8N2)(2)](C5H3N2O4)(2)center ... -
Synthesis and characterization of silver(I) saccharinate complexes with pyrazole and imidazole ligands: [Ag(sac)(pz)(H2O)](n) and [Ag(sac)(im)] center dot 2H(2)O
(Walter De Gruyter Gmbh, 2006)Two new silver(I) saccharinate (sac) complexes, [Ag(sac)(pz)(H2O)](n) (1) and [Ag(sac)(im)]center dot 2H(2)O (2) (pz=pyrazole and im=imidazole), have been prepared and characterized by elemental analysis, IR spectroscopy, ... -
3,6-Dioxaoctane-1,8-diammonium bis(trichloroacetate)
(Int Union Crystallography, 2006)In the title compound, C6H18N2O22+center dot 2C(2)Cl(3)O(2)(-), the cation possesses a twofold rotation axis passing through the midpoint of the central C-C bond. Hydrogen-bonded rings are formed by two cations and two ... -
(Z)-6-[(2-Methoxyphenylamino)methylene]4-methylcyclohexa-2,4-dien-1(2H)-one monohydrate
(Int Union Crystallography, 2006)The title compound, C14H12N2O4 center dot H2O, is stabilized in the solid state as a keto - amine tautomer, with two strong intramolecular N - H center dot center dot center dot O, two intermolecular O - H center dot center ... -
2,2-Dimethyl-1,4-dihydro-2H-3,1-benzoxazine
(Int Union Crystallography, 2006)The title compound, C10H13NO, crystallizes with two independent but essentially identical molecules in the asymmetric unit. The molecules are linked by two N-H center dot center dot center dot O and two C-H center dot ... -
catena-Poly[[diaquabarium(II)]-di-mu-2-formylbenzoato]
(Int Union Crystallography, 2006)In the title compound, [Ba(C8H5O3)(2)(H2O)(2)](n), the Ba-II atom (site symmetry 2) is eight-coordinated by two bidentate 2-formylbenzoate ligands, two monodentate formylbenzoate ligands and two terminal water molecules. ... -
1-(1-hydroxy-2-naphthyl)ethanone
(Int Union Crystallography, 2006)The molecule of the title compound, C12H10O2, is planar, with an intramolecular O-(HO)-O-... hydrogen bond between the hydroxy group and the carbonyl O atom. The structure is stabilized by intermolecular C-H-...pi and ... -
N-Benzylindole-2,3-dione(N-benzylisatin)
(Blackwell Publishing, 2006)The title molecule, C15H11NO2, is non-planar, the dihedral angle between the isatin group and the phenyl ring being 87.08 (5)degrees. The crystal structure is stabilized by C-H center dot center dot center dot O hydrogen ... -
5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine
(Int Union Crystallography, 2006)The molecules in the title compound, C7H8N4, are linked into sheets by a combination of C-H center dot center dot center dot N hydrogen bonds and pi-pi interactions. The hydrogen bonds generate two-dimensional networks ... -
The syntheses, structure and properties of cobalt complexes with beta-alanine derivatives
(Pergamon-Elsevier Science Ltd, 2006)N-(2-hydroxynaphtalidene)beta-alanine (I) forms two type complexes with Co(II) ions: binuclear complex [CO2(Nap beta ala)(2)(.)2H(2)O](H2O)-H-. (III) and trinuclear mixed-valence complex {[Co(Nap beta ala)(2)](2)Co-.(H2O ... -
(Z)-4-(2,6-dichlorophenyldiazenyl)-6-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-ylamino]methylene}-2-methoxycyclohexa-2,4-dienone and the 3-methoxyphenyldiazenyl and 4-methoxyphenyldiazenyl analogues
(Blackwell Publishing, 2006)The title compounds, (Z)-4-(2,6-dichlorophenyldiazenyl)-6{[ 1,3-dihydroxy-2-(hydroxymethyl) propan-2-ylamino] methylene}2- methoxycyclohexa-2,4-dienone, C18H19Cl2N3O5, ( I), ( Z)-6-{[1,3- dihydroxy-2-(hydroxymethyl) ...
