Complexes of Zn (II), Cd (II), Hg (II), Sn (II), Pd (II) and Cu (II) with butyl, phenyl, and m-tolyl
derivative of 2-mercapto-3-substituted quinazoline-4-one have been prepared and …

A new heterocyclic azo ligand 2-[(6-Methoxy-2-benzothiazolyl) azo] hydroquinone (6-
MBTAHQ= H2L) was prepared by the reaction between 6-methoxy-2-benzothiazodiazonium …

2-Mercapto quinazoline-4-one and its 3-substituted butyl, phenyl, and meta-tolyl derivatives
form very stable complexes with Ag (I), Hg (I), Ru (III) and Bi (III) having the general formula …

Coupling reaction of 2-amino benzoic acid with 8-hydroxy quinoline gave bidentate azo
ligand. The prepared ligand has been identified by Microelemental Analysis, 1 HNMR, FT-IR …

A series of complexes of Co (II) and Ni (II) with 2-(R)-3-(X)-substituted quinazoline-(3H)-4-
ones, where R= methyl/phenyl and X= furalamino, uramino and thiouramino have been …

phenylazo-2-nephthol has been synthesized and used for complexation with Cu (II) metal
ion along with pyridine, α-picoline, β-picoline, γ-picoline and water as secondary ligands. On …

A new ligand containing thiazole and imidazole rings as organic heterocyclic azo dye
compound 2-[-2-(6-nitro benzothiazolyl) azo]-imidazole (NBTAI) was prepared by coupling …

Chelate complexes of Ni (II), Cu (II), Zn (II), Cd (II) and Hg (II) were prepared with new
heterocyclic azoligand 2-[(2, 5-Dimethyl phenyl) azo]-4, 5-diphenyl imidazole (dimpai), the …

The complexes derived the reactions of 1-(2-hydroxybenzoyl)-4-phenylthiosemicarbazide (L
1) with MX 2 (M= Co II, Cu II and Zn II ions; X= Cl− in case of Co II and Cu II ions, Cl− and …

Complexation equilibrium of metal complexes of Cu (II), Zn (II), Cd (II), Ni (II), Mn (II) and rare-
earth metals like Nd (III), Sm (III), Gd (III) and Dy (III) with 3-phenyl-2-thio-2, 4,(1H, 3H) …