Amutha Selvi, M2017-02-172017-02-172011https://ir.avinuty.ac.in/handle/avu/1427Cobaloximes o f the type [Co(dmgH)2(B)Cl] ; where, (ImgET = dimethyl glyoximate, B= 3- chlorpyridine (3-PyCl), 3-bromopyridine (3-PyBr), 4-aminopyridine (4-AP), 4-methylpyridine (4-MP), 4-N,N’-dimethyl aminopyridine (4-DMAP) and 4-cyanopyridine (4-PyCN) were prepared, characterized by the usual .spectroscopic techniques and screened agaimt microorganism for antimicrobial activity with ciprofloxacin as standard. The cobaloximes were found to be active against most o f the microbes. Die cobaloxime containing 4-cyanopyridine as the axial ligand showed potential inhibition; whereas, the complex [Co(dmgH)2(3-PyCl)Cl] showed the least microbial growth.