Browsing by Author "Agar, Erbil"

1-[(E)-(2-Phenoxyanilino)methylene]naphthalen-2(1H)-one

Temel, Ersin; Agar, Erbil; Büyükgüngör, Orhan (Wiley-Blackwell, 2010)

The molecule of the title compound, C(23)H(17)NO(2), a Schiff base derived from 2-hydroxy-1-naphthaldehyde, crystallizes in the keto-amine tautomeric form. The dihedral angle between the aniline and hydroxybenzene rings ...

2-[(2,4-Dimethylphenyl)iminomethyl]-3,5-dimethoxyphenol

Tanak, Hasan; Alpaslan, Yelda Bingoel; Yavuz, Metin; Agar, Erbil; Ersahin, Ferda; Büyükgüngör, Orhan (Wiley-Blackwell, 2009)

X-ray analysis reveals that the title Schiff base compound, C(17)H(19)NO(3), possesses both OH and NH tautomeric character in its molecular structure. The occupancies of the enol and keto tautomers are 0.62 (3) and 0.38 ...

2-[(2,4-Dimethylphenyl)iminomethyl]-6-methylphenol

Tanak, Hasan; Ersahin, Ferda; Agar, Erbil; Yavuz, Metin; Büyükgüngör, Orhan (Wiley-Blackwell, 2009)

The title compound, C16H17NO, is a Schiff base which adopts the phenol-imine tautomeric form in the solid state. The molecule is almost planar, with a dihedral angle of 4.61 (4)degrees between the aromatic rings. The ...

2-[(4-Bromophenyl)iminomethyl]-3,5-dimethoxyphenol

Kilic, Isin; Agar, Erbil; Ersahin, Ferda; Isik, Samil (Wiley-Blackwell Publishing, Inc, 2009)

There are two independent molecules in the asymmetric unit of the title compound, C(15)H(14)BrNO(3), with very similar geometrical parameters. Each molecule adopts the pheno-limine tautomeric form, with strong intramolecular ...

2-[(4-Chlorophenyl)iminomethyl]hydroquinone

Yazici, Serap; Ersahin, Ferda; Agar, Erbil; Senel, Ismet; Büyükgüngör, Orhan (Wiley-Blackwell, 2009)

The title compound, C(13)H(10)ClNO(2), exists in the phenol-imine form in the crystal, and the aromatic rings are oriented at a dihedral angle of 2.82(9)degrees. An intramolecular O-H center dot center dot center dot N ...

2-[(4-Methoxyphenyl)iminomethyl]-4-nitrophenol

Kilic, Isin; Agar, Erbil; Ersahin, Ferda; Isik, Samil (Wiley-Blackwell Publishing, Inc, 2009)

The title Schiff base compound, C(14)H(12)N(2)O(4), is in an intermediate state between NH and OH tautomers. Apart from the intramolecular O-H center dot center dot center dot N hydrogen bond, there are intermolecular C-H ...

2-[(E)-(2-Morpholinoethyl)iminiomethyl]-4-nitro-1-oxocyclohexadienide

Alpaslan, Yelda Bingoel; Tanak, Hasan; Agar, Erbil; Ersahin, Ferda (Int Union Crystallography, 2009)

The molecule of the title compound, C13H17N3O4, exists as a zwitterion, with the H atom of the phenol group being transferred to the imine N atom. The C=O, C-Ar-C-Ar and C-N bond lengths are in agreement with the ...

2-Ethyl-N-[(5-nitrothiophen-2-yl)methylidene]aniline

Ceylan, Umit; Tanak, Hasan; Gumus, Sumeyye; Agar, Erbil (Wiley-Blackwell, 2011)

In the title compound, C13H12N2O2S, the dihedral angle between the benzene and thiophene rings is 36.72 (8)degrees. An intermolecular C-H center dot center dot center dot pi interaction contributes to the stability of the ...

2-{1-[(4-Methoxyphenyl)Imino]Ethyl}-4-Nitrophenol

Akbal, Tufan; Erdonmez, Ahmet; Agar, Erbil; Ersahin, Ferda (Int Union Crystallography, 2009)

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3-[(2,4-Dichlorophenyl)iminomethyl]-2-hydroxy-5-methylbenzaldehyde

Kilic, Isin; Isik, Samil; Agar, Erbil; Ersahin, Ferda (Wiley-Blackwell, 2009)

The title compound, C(15)H(11)Cl(2)NO(2), is a Schiff base which adopts the phenol-imine tautomeric form in the solid state, being stabilized by a strong intramolecular O-H center dot center dot center dot N hydrogen bond. ...

4-{2-Methoxy-6-[(4-methylphenyl)iminomethyl]phenoxy}phthalonitrile

Yazici, Serap; Akkaya, Abdullah; Agar, Erbil; Senel, Ismet; Büyükgüngör, Orhan (Wiley-Blackwell, 2009)

In the molecule of the title compound, C(23)H(17)N(3)O(2), the methoxyphenyl ring is oriented at dihedral angles of 13.34 (12) and 88.83 (12)degrees with respect to the methylphenyl and phthalonitrile rings, respectively; ...

A3B type unsymmetrical and amphiphilic phthalocyanines: Synthesis, characterization, thermal stability and aggregation studies

Sahin, Songul; Agar, Erbil (Pergamon-Elsevier Science Ltd, 2020)

This study reports the preparation, analysis, aggregation statuses and thermal properties of five phthalocyanines. The preparation of all molecules includes two steps: the first step is the preparation of phthalocyanine ...

Anchor Effect on Pedal Motion Observed in Crystal Phase of an Azobenzene Derivative

Karabiyik, Hasan; Petek, Hande; Iskeleli, Nazan Ocak; Albayrak, Cigdem; Agar, Erbil (Springer/Plenum Publishers, 2011)

Some molecules having a molecular skeleton similar to that of stilbenes and azobenzenes show orientational disorder in the crystals due to pedal motion. Heretofore, the orientational disorder through pedal motion has been ...

A combined experimental (XRD, FT-IR, and UV-Vis) and DFT computational studies on (E)-N-[4-bromo-2-(trifluromethoxy) phenyl]-1-(5-nitrothiophen-2-yl) methanimine

Tanak, Hasan; Kocak, Figen; Agar, Erbil (Taylor & Francis Ltd, 2016)

(E)-N-[4-bromo-2-(trifluromethoxy)phenyl]-1-(5-nitrothiophen-2-yl)methanimine, an organic Schiff base compound has been synthesised and characterised by FT-IR, UV-Vis, and X-ray single-crystal determination. The molecular ...