• Nanda Korde

1-(5-chloro 2 hydroxyphenyl)-3-(5-bromo 2-chlorophenyl)propane-1,3-dione and its transition metal complexes were synthesized by ultrasound irradiation and characterized by IR, 1H-NMR, 13C-NMR, magnetic susceptibility, X-ray diffraction, analysis of powdered samples, conductometry, elemental analysis, and screened for disinfectant activity. From the spectroscopic data of IR , it suggested that the ligand shows keto-enol tautomerism by hydrogen bonding hence acts as a chelating agent in the preparation of metal complexes and behaves as a bidentate ligand towards the central metal ion with an O-O,O-O donor atoms sequence. The stoichiometry of the complexes 1:2 (metal : ligand) was found among the microanalytical data and the octahedral geometry for all these complexes were suggested by physic-chemical data. The powder X-ray diffraction data suggested orthorhombic crystal system for Ni(II) complex and monoclinic crystal system for the Co(II), Fe(III), and Cu(II) complexes. The manufactured metal complexes and ligand showed satisfactory disinfectant activity. Usages of ultra sonication method, segregation method, simple reaction conditions and purification makes this swing very interesting from an environmental perspective.

Cyclic β-diketone, Baker-Venkatraman transformation, transition metal complexes, ultrasound irradiation, magnetic susceptibility, XRD, antimicrobial screening

"EFFICIENT ULTRASOUND SYNTHESIS AND BIOLOGICAL SCREENING OF 1-(5- CHLORO 2 HYDROXYPHENYL)-3-(5-BROMO 2-CHLOROPHENYL)PROPANE-1,3-DIONE AND IT’S TRANSITION METAL COMPLEXES", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 3, page no.219-223, March-2020, Available :http://www.jetir.org/papers/JETIRDN06051.pdf

"EFFICIENT ULTRASOUND SYNTHESIS AND BIOLOGICAL SCREENING OF 1-(5- CHLORO 2 HYDROXYPHENYL)-3-(5-BROMO 2-CHLOROPHENYL)PROPANE-1,3-DIONE AND IT’S TRANSITION METAL COMPLEXES", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 3, page no. pp219-223, March-2020, Available at : http://www.jetir.org/papers/JETIRDN06051.pdf