Fen-Edebiyat Fakültesi: Recent submissions
Now showing items 121-140 of 303
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3-acetoxy-2-(acetylamino)pyridinium-1-squarate
(Blackwell Munksgaard, 2005)The title compound, alternatively known as 3-acetoxy-2-(acetylamino)pyridinium betaine of squaric acid, C13H10N2O6, has been synthesized. The bond distances within the squarate ring indicate two possible resonance structures. ... -
trans-Diapuabis(6-hydroxypicolinato-kappa N-2,O-2)copper(II)
(Int Union Crystallography, 2005)In the title compound, [Cu(C6H4NO3)(2)(H2O)(2)], the Cu-II ion lies on an inversion centre and has an elongated octahedral environment, equatorially trans-coordinated by two N,O-bidentate picolinate ligands and axially ... -
(2-exo,7-exo,9-endo,10-endo)-11-Oxatricyclo[6.2.1.0(2,7)]undec-4-ene-9,10-diyl diacetate
(Int Union Crystallography, 2005)The title compound, C14H18O5, shows a non-planar geometry. -
Tris(1,10-phenanthroline)nickel(II) squarate octahydrate
(Wiley-Blackwell, 2005)In the title mononuclear [Ni(phen)(3)] sq center dot 8H(2)O complex [phen is 1,10-phenanthroline (C12H8N2) and sq is squarate (C4O42-)], the Ni-II ion has a distorted octahedral coordination geometry composed of six N atoms ... -
(iE)-2-methoxy-6-[(2-trifluoromethylphenylimino)methyl]phenol
(Int Union Crystallography, 2005)The title compound, C15H12NO2F3, adopts the phenol-imine tautomeric form. The two aromatic rings are twisted with respect to each other, with a dihedral angle of 17.83 (19)degrees. O-H center dot center dot center dot N ... -
1,3-Bis(4-methylphenyl)triazene, 1-(4-chlorophenyl)-3-(4-fluorophenyl)triazene and 1-(4-fluorophenyl)3-(4-methylphenyl)triazene
(Int Union Crystallography, 2005)The title 4,4'-disubstituted diphenyl-1,3-triazines, C14H15N3, (I), C12H9ClFN3, (II), and C13H12FN3, (III), each contain a triazene group (-N=N-NH-) having an extended conformation. The dihedral angles between the two ... -
catena-Poly[[[diaquabis(pyridine-4-carboxamide-kappa N)copper(II)]-mu(2)-squarato-kappa O-1 : O-3] dihydrate]
(Int Union Crystallography, 2005)The asymmetric unit of the title compound, {[Cu(C4O4)(C-6-H6N2O),(H2O)(2)]center dot 2H(2)O}(n), consists of one pyridine-4-carboxamide (isonicotinamide or ina) ligand, one-half of a squarate dianion, a coordinated aqua ... -
(2-Hydroxyethy1)hydraziniurn(2+) dichloride
(Blackwell Munksgaard, 2005)The crystal structure of the title compound, C2H10N2O2+• 2Cl(-), is built up from one 2-hydroxyethylhydrazinium(2+) cation and two Cl- anions. The molecular structure is stabilized by O-H••• Cl and ... -
6-Bromo-8-thia-1,4-epoxybicyclo[4.3.0]non-2-ene
(Int Union Crystallography, 2005)In the title compound, C8H9BrOS, the molecules are linked only by weak van der Waals interactions. -
Bis(2,9-dimethyl-1,10-phenanthroline-kappa N-2,N ')copper(I) hydrogen squarate hemihydrate
(Int Union Crystallography, 2005)In the crystal structure of the synthetically prepared title compound, [Cu(C14H12N2)(2)](C4HO4) center dot 0.5H(2)O or [Cu(dmphen) (2)](HSq) center dot 0.5H(2)O (dmphen is 2,9-dimethyl- 1,10-phenanthroline or neocuproine ... -
7,11-(butane-1,4-diyldioxydi-o-phenylenedimethylene)-6,6-dichloro-4,4-bis(pyrrolidin-1-yl)-2 lambda(5),4 lambda(5),6 lambda(5)-triphosphaza-1,3,5,7,11-pentaazaspiro[5.5] undeca-1,3,5-triene
(Int Union Crystallography, 2005)The title compound, C29H42Cl2N7O2P3, is a phosphazene derivative with a bulky substituent attached through a spiro junction with two pyrrolidine rings. The six-membered C3N2P ring has a chair conformation, while the ... -
(Z)-6-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl-amino]methylene}-4-[(E)-(4-ethylphenyl)diazenyl]-cyclohexa-2,4-dienone
(Int Union Crystallography, 2005)The title compound, C19H23N3O4, adopts the keto-amine tautomeric form, with the H atom located on N rather than on O. This H atom is involved in a strong intramolecular hydrogen bond. The configuration around the azo N N ... -
The synthesis, structural characterization and conformational analysis of (1,3-bis(2-methyl-4-diethylaminophenyl)imidazolidin-2-ylidene)chloro(1,5-cyclooctadiene)rhodium(I)
(Walter De Gruyter Gmbh, 2005)A four-coordinated Rh(l) complex with a new heterocyclic carbene ligand, functionalized by amino donor pendants, 4, was synthesized and characterized by elemental analyses, NMR and IR spectroscopy, and the molecular structure ... -
Ethyl 3-methyl-1-oxo-4H-1,4-benzothiazine-2-carboxylate
(Blackwell Publishing, 2005)The crystal structure of the title compound, C12H13NO3S, is stabilized by intermolecular N - H (. . .) O hydrogen bonds, which are formed between the NH groups and the sulfoxide O atoms. -
1-Benzyl-2-[1-(5-methyl-1H-pyrazol-3-yl)-2-phenylethyl]benzimidazole
(Blackwell Publishing, 2005)The title compound, C26H24N4, contains one pyrazole ring and two phenyl rings, which are nearly perpendicular to the benzimidazole ring system. In the structure, there is one intramolecular C - H (. . .) N hydrogen-bonding ... -
O,O-Bis(2-tert-butyl-4-methoxyphenyl) chlorothiophosphonate
(Int Union Crystallography, 2005)The title compound, C22H30ClO4PS, displays distorted tetrahedral geometry around the P atom. The dihedral angle between the benzene rings is 41.2 ( 2) degrees. Because of the steric effects of the tert-butyl groups, the ... -
O,O-Bis(2-tert-butyl-4-methylphenyl) chlorothiophosphonate
(Int Union Crystallography, 2005)The title compound, C22H30ClO2PS, displays distorted tetrahedral geometry around the P atom. The dihedral angle between the benzene rings is 43.7 ( 4) degrees. The aromatic rings have unusual endocyclic angles as a result ... -
Ethyl 4-chloro-3-oxo-2-(phenylhydrazono)butyrate
(Int Union Crystallography, 2005)The title compound, C12H13ClN2O3, adopts a keto-hydrazo tautomeric form stabilized by an intramolecular N-(HO)-O-... hydrogen bond. The configuration around the C = N bond is trans. The dihedral angle between the aromatic ... -
1-Benzyl-3-(2-phenethyl)benzimidazolium bromide monohydrate
(Int Union Crystallography, 2005)The title compound, C22H20N2+center dot Br-center dot H2O, was synthesized from 1-benzylbenzimidazole and 2-bromoethylbenzene in dimethylformamide. The dihedral angle between the two phenyl rings is 70.6 ( 1)degrees. These ... -
[1,3-bis(2-ethoxyphenyl)imidazolidin-2-ylidene]bromo(cycloocta-1,5-diene)rhodium(I)
(Int Union Crystallography, 2005)The title complex, [RhBr(C8H12)(C19H22N2O2)], has a distorted square-planar geometry. There are two molecules, A and B, in the asymmetric unit. The Rh-C bond distance between the N-heterocyclic ligand and the metal atom ...
