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Spectrophotometric and synthesis study of complexation ofCu (II) with 1-(4’-hydroxy-8’-methyl coumarin-3’-yl)-3-o-nitropheny l-2-propene-2-one

Shailesh M.Dave, Vijay R.Ram, Kapil L.Dubal, Govind J.Kher, Kaushik A.Joshi, Hitendra S.Joshi

In the present investigation, 4-Hydroxy-8-methylcoumarin derivatives and metal complexes were synthesized and studies for chelate formulation with a metal ion Cu (II) using spectrophotometric method. 4-Hydroxy-8- methylcoumarin chalcones [1-(4Â’-hydroxy-8Â’-methyl coumarin-3Â’-yl)-3-onitrophenyl- 2-propene-2-one]withCu (II) complexwas determined bymole ratio and jobÂ’s method of continuous variation. The complexes of metal formed with coumarin derivative were compared with standard reagents.