Zinkkomplexe des N,N,S-Liganden 2-Mercaptobenzyl-bis-(2-pyridylmethyl)amin
摘要:
An improved synthesis of the title ligand MBPA-H has made its complex chemistry accessible. With diethyl zinc it forms the reactive ethyl complex (MBPA)Zn-C2H5 (1) whose reaction with phenol leads to (MBPA)Zn-OC6H5 (2). With zinc nitrate the labile compound (MBPA)Zn-ONO2 (3) is formed which in turn is converted with thiophenolate into (MBPA)Zn-SC6H5 (4). Structure determinations of 2 and 3 have confirmed severely deformed trigonal-bipyramidal coordinations of the zinc atom whose ligation patterns correspond to those in some hydrolytic zinc enzymes.
Zinkkomplexe des N,N,S-Liganden 2-Mercaptobenzyl-bis-(2-pyridylmethyl)amin
摘要:
An improved synthesis of the title ligand MBPA-H has made its complex chemistry accessible. With diethyl zinc it forms the reactive ethyl complex (MBPA)Zn-C2H5 (1) whose reaction with phenol leads to (MBPA)Zn-OC6H5 (2). With zinc nitrate the labile compound (MBPA)Zn-ONO2 (3) is formed which in turn is converted with thiophenolate into (MBPA)Zn-SC6H5 (4). Structure determinations of 2 and 3 have confirmed severely deformed trigonal-bipyramidal coordinations of the zinc atom whose ligation patterns correspond to those in some hydrolytic zinc enzymes.