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
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Eponyms © Farlex 2012
References in periodicals archive ?
Ray, Synthesis and metal ion uptake studies of chelating resins derived from formaldehyde-furfur aldehyde condensed phenolic Schiff bases of 4, 4'-diaminodiphenylether and o-hydroxyacetophenone, Talanta, 57, 1075 (2002).
The NMR spectra of Schiff bases were recorded in dimethylsulfoxide (DMSO) solution, using tetramethylsilane (TMS) as standard.
In recent years, several Schiff base metal complexes have been widely used in diagnostics and medicine [1-4].
Other amino-acids containing primary amino group also react with FAA to form Schiff bases and elute from GC column.
Various studies have shown that amino acid metal complexes of Schiff bases have antibacterial (Venkatesh, 2011; Mounika et al., 2010), anticancer (Miri et al., 2013; Ali et al., 2012) and antioxidant (Wei et al., 2000) activities.
Comparable cytotoxicity was noted only for the precursors (anthracene-based Schiff bases S-1 and S-2) with the highest sensitivity of the ALL (REH) cells.
Singh, "Synthesis, structural and antifungal studies of Co(II, Ni(II, Cu(II) and Zn(II) complexes with new Schiff bases bearing benzimidazoles," Indian Journal of Chemistry, vol.
The level of primary products naturally decreases, while the level of triene conjugates and Schiff bases increases uniformly when passing from [N.sub.0][M.sub.0] to [N.sub.3][M.sub.0].
Metal-free methods in the synthesis of macrocyclic Schiff bases. Chem Rev 2007; 107: 46-79, doi: 10.1021/cr0683616.
There are evidences confirming that salicylaldehyde Schiff bases, obtained from the condensation of the salicylaldehyde and its derivatives in alkaline grind solution [8, 9], showed abetter carrying oxygen ability and catalysis of mimic enzymes due to their structure similar to the porphyrin and phthalocyanine rings, which displayed a great anticancer, anti-inflammatory, antibacterial, and antiviral activity.
Dziembowska et al., "Keto-enol tautomerism of two structurally related Schiff bases: Direct and indirect way of creation of the excited keto tautomer," Chemical Physics Letters, vol.