Najla Elnibrass Mahmoud Elbloula2017-11-082017-11-082015-12http://hdl.handle.net/123456789/7553ABSTRACT Cobaloximes of the type SCNCo(DH2)L have been prepared where (DH= dimethyl glyoxime) L= 4-amino phenazone, benzidine, valine, and urea. All the above mentioned complexes were characterized by 1H NMR, IR spectroscopy. The obtained have good agreement with regional and global literature.ChemistryVitamin B12 Model Complexes: Synthesis and Characterization of Thiocyanato Cobaloximes