Browsing by Author "Koysal, Y"
Now showing items 1-20 of 20
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1,4-bis(3,4-dicyanophenoxy)-2-butyne
Koysal, Y; Agar, A; Akdemir, N; Isik, S (Int Union Crystallography, 2006)In the crystal structure of the title compound, C20H10N4O2, the molecule is arranged around a twofold axis passing through the mid-point of the C equivalent to C triple bond. The dicyanophenoxy group is planar. The molecule ... -
1-[(2-Chloro-3,4-dimethoxybenzylidene)amino]-adamantane
Isik, S; Koysal, Y; Septioglu, E; Calis, U (Int Union Crystallography, 2005)The title compound, C19H24ClNO2, was synthesized and characterized by single-crystal X-ray diffraction. The adamantyl and benzene groups are bridged by an imine group, with a C-C=N-C torsion angle of -178.2 (2)degrees. ... -
2-[(2-Chloro-3,4-dimethoxybenzylidene)amino]-adamantane
Isik, S; Koysal, Y; Septioglu, E; Calis, U (Int Union Crystallography, 2005)The title compound, C19H24ClNO2, is isomeric with the 1-[(2chloro-3,4-dimethoxybenzylidene) amino] adamantane structure reported in the previous paper [ Isik, Koysal, Septioglu & Calis, (2005). Acta Cryst. E61, o1851-o1852]. -
2-[6-(3-Chlorophenyl)-2,4-dioxo-perhydropyrimidin-3-yl]ethyl morpholine-4-carbodithioate
Koysal, Y; Isik, S; Septioglu, E; Calis, U (Int Union Crystallography, 2004)In the title compound, C17H20ClN3O3S2, the hexahydropyrimidine ring is puckered, the total puckering amplitude Q(T) being 0.41 (1) Angstrom. The morpholine ring displays orientational disorder. Molecules are linked in the ... -
2-bromo-1-(1-hydroxynaphthalen-2-yl)ethanone
Koysal, Y; Isik, S; Karakurt, A; Dalkara, S (Int Union Crystallography, 2004)In the structure of the title compound, C12H9BrO2, all bond lengths and angles are normal. There is an O-H...O intramolecular hydrogen bond and a weak intermolecular C-H...O hydrogen bond. -
3-[4-(2-Chlorophenyl)piperazinomethyl]-5-methyl-1-benzoxazolin-2(3H)-one
Koysal, Y; Isik, S; Koksal, M; Erdogan, H; Gokhan, N (Blackwell Munksgaard, 2003)The title compound, C19H20ClN3O2, is composed of an essentially planar benzoxazolinone ring system, a chlorophenyl group and a central piperazine ring. The benzoxazolinone ring system is nearly perpendicular to the piperazine ... -
3-[4-(4-Fluorophenyl)piperazin-1-ylmethyl]-5-methyl-1,3-benzoxazol-2(3H)-one and 3-[4-(2-fluorophenyl)piperazin-1-ylmethyl]-5-methyl-1,3-benzoxazol-2 (3H)-one
Koysal, Y; Isik, S; Koksal, M; Erdogan, H; Gokhan, N (Int Union Crystallography, 2004)The title compounds, both C19H20FN3O2, contain essentially planar benzoxazolinone ring systems, within which the C - N bond distances and angles do not differ significantly between the two compounds. In both cases, the ... -
3-Hydroxy-6-methyl-2-[4-(3-trifluoro-methylphenyl)piperazin-1-ylmethyl]-4H-pyran-4-one
Koysal, Y; Isik, S; Aytemir, MD (Blackwell Munksgaard, 2004)In the structure of the title compound, 3-hydroxy-6-methyl-2-[4-(3-trifluoromethylphenyl)piperazin-1-ylmethyl]-4H-pyran- 4-one, C18H19F3N2O3, the piperazine ring displays an almost perfect chair conformation, with the ... -
3-phenyl-5-(2-thienyl)-2-pyrazoline-1-thioamide
Isik, S; Koysal, Y; Ozdemir, Z; Bilgin, AA (Int Union Crystallography, 2006)In the crystal structure of the title compound, C14H13N3S2, the planar phenyl and thiophene rings are bridged by a pyrazoline ring. The phenyl group is almost perpendicular to the pyrazoline ring. The pyrazoline ring adopts ... -
4-(2-Allylphenoxy)phthalonitrile
Koysal, Y; Isik, S; Akdemir, N; Agar, E; McKee, V (Blackwell Munksgaard, 2003)In the title compound, C17H12N2O, the mutual orientation of the two aromatic rings [dihedral angle 80.8 (1) degrees] is mainly determined by the presence of an intramolecular C - H...O hydrogen bond. -
4-(2-Indanoxy)phthalonitrile
Isik, S; Koysal, Y; Akdemir, N; Cihan, K; Agar, E (Blackwell Munksgaard, 2003)In the title molecule, C17H12N2O, the five-membered ring of the indandione moiety adopts an envelope conformation. The dihedral angle between the 2-indanoxy and phthalonitrile groups, excluding the out-of-plane envelope ... -
4-(2-Methoxy-1-naphthylmethoxy)phthalonitrile
Koysal, Y; Isik, S; Akdemir, N; Agar, E; Kantar, C (Int Union Crystallography, 2004)The title compound, C20H14N2O2, crystallizes in the centrosymmetric space group P2(1)/c with two molecules in the asymmetric unit. Both independent molecules have the same geometry. -
4-(3,5-Dimethoxyphenoxy)phthalonitrile
Koysal, Y; Isik, S; Akdemir, N; Agar, E; Kantar, C (Int Union Crystallography, 2004)The crystal structure of the title compound, C16H12N2O3, is composed of a 3,5-dimethoxyphenoxy group attached to a phthalonitrile group. The structure is stabilized by intermolecular C - H ... N contacts, in additional to ... -
4-(4-Heptyloxyphenoxy)phthalonitrile
In the crystal structure of the title compound, C21H22N2O2, the 4-heptyloxyphenoxy group and phthalonitrile group are both planar. The dihedral angle between the two benzene rings is 86.30 (6)degrees. -
4-(8-quinolinoxy)phthalonitrile
Koysal, Y; Samil, I; Akdemir, N; Erbil, A; McKee, V (Blackwell Munksgaard, 2003)The title compound, C17H9N3O, cyrstallizes with two molecules in the asymmetric unit. Both independent molecules have essentially the same geometry. The angles between the planes of the quinoline group and the phenyl ring ... -
5-(2-chlorobenzoyl)-1,3-benzoxazol-2(3H)-one
Isik, S; Koysal, Y; Yavuz, M; Koksal, M; Erdogan, H (Int Union Crystallography, 2004)The title compound, C14H18ClNO3, contains a planar dihydrobenzoxazolone ring system and a planar chlorobenzoyl group; the dihedral angle between the two planes is 86.84(4) degrees. In the crystal structure, there are ... -
6-(2-Fluorobenzylidene)-2-[1-(2-fluoro-4-biphenyl)ethyl]-thiazolo[3,2-b][1,2,4]triazol-5(6H)-one
Koysal, Y; Isik, S; Dogdas, E; Tozkoparan, B; Ertan, M (Int Union Crystallography, 2004)The title compound, C25H17F2N3OS, was synthesized from 6-(benzylidene) thiazolo[3,2-b][1,2,4]-triazol-5(6H)-one. The fused thiazolo[3,2-b][1,2,4]-triazole system is essentially planar, and bifurcated C-H...O, C-H...N and ... -
anti-1-(benzylamino)glyoxime
Koysal, Y; Isik, S; Sarikavakli, N; Erduran, F (Int Union Crystallography, 2004)In the title compound, C9H11N3O2, all bond lengths and angles are normal. The conformation of the molecule is determined by intra- and intermolecular hydrogen bonds. -
trans-Diaquabis(ethylenediamine)zinc(II) 2-(sulfanilamido)pyrimidine monohydrate
In the title compound, [Zn(C4H8N4)(H2O)(2)](C10H9N4O2S)(2) (H2O)-H-., the Zn-II ion is octahedrally surrounded by two water O atoms [Zn-O = 2.68 (2) and 2.49 (2) angstrom] and the four N atoms of two ethylenediamine ... -
Two N-substituted 3,5-diphenyl-2-pyrazoline-1-thiocarboxamides
Koysal, Y; Isik, S; Sahin, G; Palaska, E (Int Union Crystallography, 2005)The structures of N-ethyl-3-(4-fluorophenyl)-5-(4-methoxyphenyl)-2-pyrazoline-1-thiocarboxamide, C19H20FN3OS, (I), and 3-(4-fluorophenyl)-N-methyl-5-(4-methylphenyl)-2-pyrazoline-1-thiocarboxamide, C18H18FN3S, (II), have ...
