Synthesis and characterization of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) polychelates of the Schiff base derived from dihydroxydibenzoyl biphenyl and butanedionedihydrazone

• Autorzy: Mohod R. , Aswar A.
• Języki publikacji: EN

Abstrakty

EN

New coordination polychelates of manganese(II), cobalt(II), nickel(II), copper(II), zinc(II) and cadmium(II) with the Schiff base derived from 4,4'-dihydroxydibenzoyl biphenyl and 2,3-butanedionedihydrazone have been synthesized and characterized by elemental analysis, electronic and IR spectra, magnetic susceptibility, thermal analysis and C.D. electrical conductivity. The Schiff base behaves as a dibasic, tetradentate ligand coordinating through an ONNO system and form chelates with general formula of [MLxh2O]n (where x=1 or 2). The thermogravimetric studies indicate a two stage decomposition and the presence of water molecules. Using thermal decomposition data, different kinetic and thermonynamic parameters have also been evaluated. D.C. electrical conductivity was measured over a wide range of temperature over a wide range of temperature in a pellet form. The Schiff base and its polychelates have also been tested for their antimicrobial activities.

Słowa kluczowe

EN

polychelates; TGA; electrical conductivity; antimicrobial activity

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 1999
• Tom: vol. 73 nr 4
• Strony: 599--605

Twórcy

autor

Mohod R.

autor

Aswar A.