Erişim şekli için "info:eu-repo/semantics/closedAccess" listeleme
Toplam kayıt 12657, listelenen: 1-20
-
1 '-Benzyl-1-(2,4-dimethoxyphenyl)-3-phenoxyspiro[azetidine-2,3 '(3H)-indole]-2 ',4(1H)-dione
(Int Union Crystallography, 2006)The title compound, C31H26N2O5, is a compound with a spiro junction between beta-lactam and isatin ring systems. Its four-and five-membered rings are nearly planar, with maximum deviations of -0.020 (1) and 0.050 (1) ... -
(1 alpha,2 beta,3 alpha,6 beta)-3,6-dichlorocyclohex-4-ene-1,2-diyl diacetate
(Wiley-Blackwell, 2004)We present here a second positional isomer of C10H12Cl2O4. The crystal was found to be inversion twinned. The cyclohexene ring adopts a distorted half-chair conformation. -
(1 alpha,2 beta,5 beta,6 alpha)-5,6-dicloro-3-cyclohexene-1,2-diyl diacetate
(Wiley-Blackwell, 2004)The reaction of endo-cis-7-oxabicyclo[2.2.1]hept-5-ene-2,3-diol with BCl3 followed by acetylation with acetyl chloride gives dichloroconduritol derivatives. The crystal structure of the title compound, C10H12Cl2O4, has ... -
1,1 '-(Propane-1,3-diyl)bis[2-(methylsulfanyl)-1H-benzimidazole] dihydrate
(Int Union Crystallography, 2007)In the title compound, C19H20N4S2 center dot 2H(2)O, the two 1H-benzimidazole groups are bridged by a propane chain; the dihedral angle between the benzimidazole ring systems is 74.61 ( 3)degrees. The organic molecules and ... -
1,1 '-butane-1,4-diylbis(1H-benzimidazole)
(Blackwell Publishing, 2007)The molecule of the title compound, C18H18N4, is disposed about a center of inversion. The dihedral angle between the five- and six-membered rings is 1.23 (6)degrees, showing almost exact coplanarity. -
1,1,3-Trioxo-2,3-dihydro-1,2benzisothiazol-2-ylmethyl 4-phenylpiperazine-1-carbodithioate
(Blackwell Publishing, 2007)In the title molecule, C19H19N3O3S3, the mean planes of the benzisothiazole system and the phenyl ring make a dihedral angle of 8.87 (8)degrees. The piperazine ring has a chair conformation. The crystal structure is ... -
1,2,4,5-tetrakis(2-tert-butyl-4-methylphenoxymethyl)benzene
(Blackwell Munksgaard, 2004)The centrosymmetric title compound, C54H70O4, contains a benzene ring at the centre and four 2-tert-butyl-4-methylphenoxymethyl substituents. In the structure of the molecule, some of the benzene rings are coplanar. The ... -
1,2,4-triazole derivative with Schiff base; thiol-thione tautomerism, DFT study and antileishmanial activity
(Elsevier, 2017)Thiol-thione tautomerism of 1,2,4-triazole derivative with Schiff base was investigated by spectro-scopic methods and quantum mechanical calculations. Theoretical study of thiol-thione tautomeric forms of 1,2,4-triazole ... -
1,2-Bis[5-oxo-3-(n-propyl)-4,5-dihydro-3H-1,2,4triazol-4-yl]ethane dihydrate
(Blackwell Publishing, 2005)The molecule of the title compound, C12H20N6O2 (.) 2H(2)O, contains two planar triazole rings. The molecule has crystallographic twofold rotation symmetry. The crystal structure is stabilized by intermolecular hydrogen ... -
1,3,5-Tris( 2-isopropylphenoxymethyl)benzene
(Blackwell Publishing, 2005)The title compound, C36H42O3, consists of three 2-isopropylphenoxymethyl groups bonded to the central benzene ring at the 1-, 3- and 5- positions. Intramolecular C-H center dot center dot center dot O hydrogen bonds seem ... -
[1,3-Bis(2,3,4,5,6-pentafluorobenzyl)benzimidazol-2-ylidene]bromido-(eta(4)-cycloocta-1,5-diene)rhodium(I)
(Int Union Crystallography, 2007)The title complex, [RhBr(C8H12)(C21H8N2F10)], has a slightly distorted pseudo-square-planar geometry. The whole molecule has an approximate mirror symmetry, with the mirror plane passing through the mid-points of the two ... -
[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 ... -
1,3-bis(2-phenylethyl)benzimidazolium-2-dithiocarboxylate
(Int Union Crystallography, 2004)The title compound, C24H22N2S2, crystallizes with two independent molecules in the asymmetric unit; these have essentially the same geometry. However, the dihedral angles between the planes of the two phenyl rings are 30.8 ... -
1,3-bis(3,4-dicyanophenoxy)benzene
(Blackwell Munksgaard, 2004)The title compound, C22H10N4O2, has been designed and synthesized as a precursor of dye pigments. -
1,3-Bis(4-methylbenzyl)benzimidazolium chloride monohydrate
(Int Union Crystallography, 2006)The cation in the title compound, C23H23N2+.Cl-.H2O, features a benzimidazole ring connected to two 4-methyl-benzyl rings via methyl-ene bridges. The crystal structure is stabilized by C-(HO)-O-..., C-(HCl)-Cl-... and ... -
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 ... -
1,3-Dibenzoylimidazolidine-2-thione and 1,3-dibenzoyl-3,4,5,6-tetrahydropyrimidine-2(1H)-thione
(Int Union Crystallography, 2005)The title compounds, 1,3- dibenzoylimidazolidine- 2- thione, C17H14N2O2S, ( I), and 1,3- dibenzoyl- 3,4,5,6- tetrahydropyrimidine-2( 1H)- thione, C18H16N2O2S, ( II), were obtained from the reactions of imidazolidine- 2- ... -
1,4-bis(3,4-dicyanophenoxy)-2-butyne
(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 ... -
1,4-Bis[(Z)-2-(3-mesityl-3-methylcyclobutyl)-2-(thiosemicarbazono)ethyl] piperazine dimethyl sulfoxide disolvate
(Int Union Crystallography, 2005)The structure of the title compound, C38H56N8S2 (.) 2C(2)H(6)OS, has been determined by single-crystal diffractometry and is compared with the structures of other compounds containing the thiosemicarbazide group. The ... -
1-((E)-{(1R,2R)-2-[(E)-(2-hydroxy-1-naphthyl)methyleneamino]cyclohexyl}iminiomethyl)naphthalen-2-o late : a Schiff base compound having both OH and NH character
(Blackwell Publishing, 2007)The title Schiff base compound, C28H26N2O2, possesses both OH and NH tautomeric character in its molecular structure. While the OH side of the compound is described as an intermediate state, its NH side adopts a predominantly ...
