Schiff base


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Schiff base

(shif),
condensation products of aldehydes and ketones with primary amines; the compounds are stable if there is at least one aryl group on the nitrogen or carbon. Compare: ketimine.
Synonym(s): aldimine

Schiff,

Hugo, German chemist in Florence, 1834-1915.
Kasten fluorescent Schiff reagents - see under Kasten
ninhydrin-Schiff stain for proteins
periodic acid-Schiff stain - a tissue-staining procedure. Synonym(s): PAS stain
Schiff base - condensation products of aldehydes and ketones with primary amine. Synonym(s): aldimine
Schiff reagent - used for aldehydes and in histochemistry to detect polysaccharides, DNA, and proteins.
References in periodicals archive ?
The Schiff base polymers of 2-hydroxybenzaldehyde with aliphatic and aromatic diamines were prepared by reported procedure (Samal, 1997) with some modifications.
The melting points of the Schiff base and metal complexes obtained were sharp indicating the purity of the synthesized compounds.
They further studied the fluorescence activities in DMF of the complex and Schiff base ligand [66].
Jain, Deepali;Sharma, Amit Kumar; Sharma, Pratibha; 2009, Coordination modes of a Schiff base pentadentate derivatives of 4aminoantipyridine with cobalt(II), nickel(II) and copper(II) metal ions: synthesis, spectroscopic and antimicrobial studies, Molecules, 14(1), pp.
The Bio-Rad instrument manual advises users to "let samples stand at 18-28 [degrees]C for at least 10 min to allow Schiff base removal" (this was increased recently to 15 min).
Of these compounds, Schiff base ligands with sulfonamide and imidazole moieties containing multidentate atoms coordinated to metal ions are among the most promising [14, 15].
Antibacterial activity of complexes of Cu (II), Ni (II), Zn (II), Fe (II), Co (II), Mn (II), Vo (IV), Hg (II) and Cd (II) metal ions with Schiff base derived from salicylaldehyde and o-amino benzoic acid have been studied [1-3].
In the present study we attempted to widen the scope of derivatization of Cephradine through Schiff base formation with different sugars and complexation with metal ions such as Fe (II), Co (II) and Ni (II).
Summary: The paper under investigation outline the preparation, characterization, viscosity of Schiff base resin, formed by polycondensation of the Schiff base (BMNen) with methanal (CH2O) classify a resin, poly-methylene bis(2-methoxy-1-naphthaldehyde) ethylenediimine (PMBMNen).