Complexes of zirconium (IV) with some bis-coumarin ligands have been synthesized. The
zirconium (IV) complexes with bis-coumarins were characterized by different …

AIMS OF THE STUDY: We recently reported the potential antioxidant and anti-inflammatory
activities of umbelliferone 6-carboxylic acid (UMC) isolated from the whole plants of …

Abstract Methyl 2‐methyl‐4‐oxo‐4H‐chromene‐3‐carboxylate (1) was treated with 25%
aqueous ammonia to give 3‐(1‐aminoethylidene)‐2H‐chromene‐2, 4 (3H)‐dione (2) …

Complexes of lanthanum (III) with bis‐coumarins: 3, 3′‐benzylidene‐bis (4‐hydroxy‐2H‐1‐
benzopyran‐2‐one)(H2L1) and bis (4‐hydroxy‐2‐oxo‐2H‐chromen‐3‐yl)‐(1H‐pyrazol‐3 …

In this study a new series of 4-(3-coumarinyl)-3-benzyl-4-thiazolin-2-one
benzylidenehydrazones 3a-t was synthesized. Structures of the title compounds were …

Theoretical and spectroscopic studies of 3, 3′-benzylidenedi-4-hydroxycoumarin (bhc)
have been performed. B3LYP/6-31G* calculations reproduced the experimental molecular …

Activation of the superoxide forming respiratory burst oxidase of human neutrophils, crucial
in host defence, requires the cytosolic proteins p47phox and p67phox which translocate to …

Flavonoids, coumarins and other polyphenolic compounds are powerful antioxidants both in
hydrophilic and lipophylic environments with diverse pharmacological properties including …

New cyclometallated ruthenium (II) complexes of 3-acetyl-7-methoxycoumarin-4N-
substituted thiosemicarbazones were synthesized and characterized by analytical and …

In recent years, the development of optical chemosensors for the sensitive and selective
detection of trace level metal ions in aqueous media has garnered significant attention …