Spectral, thermal, optical and biological studies on (E)-4-[(2-hydroxyphenyl)imino]pentan-2-one and its complexes | Zendy

Nasser Mohammed Hosny | Zendy; Reyad Ibrahim | Zendy; Ahmed ElAsmy | Zendy

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Spectral, thermal, optical and biological studies on (E)-4-[(2-hydroxyphenyl)imino]pentan-2-one and its complexes

Author(s) -

Nasser Mohammed Hosny,

Reyad Ibrahim,

Ahmed ElAsmy

Publication year - 2015

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc150201058h

Subject(s) - chemistry , octahedron , schiff base , metal , ligand (biochemistry) , tetrahedral molecular geometry , oxygen , thermal decomposition , proton nmr , nitrogen , crystallography , inorganic chemistry , stereochemistry , medicinal chemistry , polymer chemistry , organic chemistry , crystal structure , biochemistry , receptor

Metal complexes derived from the reaction of Cu(II), Co(II), Ni(II) and Zn(II) acetates and (E)-4-(2-hydroxyphenylimino)pentan-2-one (H2L) have been synthesized and characterized by elemental analyses, MS, IR, UV-Vis., 1H NMR, thermal analyses (TGA and DTG) and magnetic measurements. In all complexes except for Zn(II) complex, the Schiff base ligand acts as a mono-negative tridentate (NOO) donor, through the azomethine nitrogen, the hydroxyl oxygen and the enolic carbonyl oxygen. The structure of the Cu(II) complex is square-planar, the Co(II) is octahedral while, the Ni(II) and Zn(II) are tetrahedral. The optical band gap measurements indicated a semi-conducting nature of these complexes. The biological activities have been screened against two bacteria and two fungi. Some of the studied complexes showed activity against bacteria and fungi

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