Browsing by Author "Albayrak, C"
Now showing items 41-58 of 58
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(E)-5-(4-Bromophenyldiazenyl)salicylaldehyde
Sahin, O; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (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 ... -
(E)-5-(4-Chlorophenyldiazenyl)salicylaldehyde
Sahin, O; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (Int Union Crystallography, 2005)The molecule of the title compound, C13H9ClN2O2, is approximately planar and displays a trans configuration with respect to the central N=N double bond. The dihedral angle between the two aromatic rings is 3.69 (14)degrees. ... -
(E)-5-(4-Ethylphenyldiazenyl)salicylaldehyde
Sahin, O; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (Int Union Crystallography, 2005)The molecule of the title compound, C15H14N2O2, 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 10.90 (14)degrees. The ... -
(E)-5-[(2-fluorophenyl)diazenyl]-2-hydroxy-3-methoxybenzaldehyde
Sahin, O; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (Int Union Crystallography, 2005)The title compound, C14H11FN2O3, displays the characteristic features of azobenzene derivatives. Intramolecular O - H center dot center dot center dot O and weak pi - pi interactions influence the conformation of the ... -
(E)-5-[(3-bromophenyl)diazenyl]-2-hydroxy-3-methoxybenzaldehyde
Sahin, O; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (Int Union Crystallography, 2005)The title structure, C14H11BrN2O3, displays the characteristic features of azobenzene derivatives. The two aromatic rings are nearly coplanar, forming a dihedral angle of 8.71 (12)degrees. There is a strong intramolecular ... -
(E)-5-[(3-chlorophenyl)diazenyl]-2-hydroxy-3-methoxybenzaldehyde
Karadayi, N; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (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 ... -
Electrochemical and spectroscopic study of 4-(phenyldiazenyl)-2-{[tris(hydroxymethyl)methyl]aminomethylene}cyclohexa-3,5-dien-1(2H)-one. Mechanism of the azo and imine electroreduction
Cakir, S; Bicer, E; Odabaşoğlu, Mustafa; Albayrak, C (Soc Brasileira Quimica, 2005)Newly synthesized 4-(phenyldiazenyl)-2-{[tris(hydroxymethyl)methyl]aminomethylene} cyclohexa-3,5-dien-1(2H)-one was characterized by elemental analysis, FT-IR, NMR, electronic spectra, voltammetry. Tautomeric equilibrium ... -
(iE)-2-methoxy-6-[(2-trifluoromethylphenylimino)methyl]phenol
Sahin, O; Büyükgüngör, Orhan; Albayrak, C; Odabaşoğlu, Mustafa (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 ... -
O,O-Bis(2-tert-butyl-4-methoxyphenyl) chlorothiophosphonate
Odabaşoğlu, Mustafa; Büyükgüngör, Orhan; Albayrak, C (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-methoxyphenyl)chlorothiophosphonate. Corrigendum.
Odabaşoğlu, Mustafa; Büyükgüngör, Orhan; Albayrak, C (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 ... -
O,O-Bis(2-tert-butyl-4-methylphenyl) chlorothiophosphonate
Odabaoglu, M; Büyükgüngör, Orhan; Albayrak, C (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 ... -
A redetermination of 1-{4-[(2-hydroxybenzylidene)amino]phenyl}ethanone
Yuce, S; Ozek, A; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (Blackwell Munksgaard, 2004)The crystal structure of the title compound, C15H13NO2, has been redetermined with better precision and with the location and free refinement of all H atoms [previous report; Rekhlova, Furmanova, Chanturiya & Chikhladze ... -
Z)-3-hydroxy-6-[(2-methoxyphenylamino)-methylene]cyclohexa-2,4-dienone
Sahin, O; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (Int Union Crystallography, 2005)The title compound, C14H13N1O3, adopts the keto-amine tautomeric form, with an intramolecular N - H (...) O resonance-assisted hydrogen bond. The two benzene rings are nearly coplanar [dihedral angle = 14.3 (2)degrees]. ... -
(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
Ozek, A; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (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) ... -
(Z)-4-[(E)-(4-Butylphenyl)diazenyl]-6-{[1,3-dihydroxy-2-(hydroxymethyl) propan-2-ylamino]methylene}-2-methoxycyclohexa-2,4-dienone
Ersanli, CC; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (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 ... -
(Z)-6-[(2-Methoxyphenylamino)methylene]4-methylcyclohexa-2,4-dien-1(2H)-one monohydrate
Odabaşoğlu, Mustafa; Albayrak, C; Büyükgüngör, Orhan (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 ... -
(Z)-6-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl-amino]methylene}-4-[(E)-(4-ethylphenyl)diazenyl]-cyclohexa-2,4-dienone
Sahin, O; Albayrak, C; Odabaşoğlu, Mustafa; Büyükgüngör, Orhan (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 ... -
(Z)-6-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-ylamino]methylene}-2-methoxy-4-{(E)-[3-(trifluoromethyl)phenyl]diazenyl}cyclohexa-2,4-dienone
Ersanli, CC; Albayrak, C; Odabaşoğlu, Mustafa; Kazak, C (Int Union Crystallography, 2005)LThe molecule of the title compound, C19H20F3N3O5, at 150 K, is nearly planar and exists in the keto-amine (N-H---O) tautomeric form, with a strong intramolecular hydrogen bond of 2.585 (2) angstrom between the O and N ...