Three complexes of Mn(Ⅱ)with L-amino acid[L-Isoleucine(L-Ile),L-Methionine(L-Met),L-Tryptophan(L-Trp)]were synthesized and characterized by elemental analysis,infrared spectra and gravithem metrical analyses....Three complexes of Mn(Ⅱ)with L-amino acid[L-Isoleucine(L-Ile),L-Methionine(L-Met),L-Tryptophan(L-Trp)]were synthesized and characterized by elemental analysis,infrared spectra and gravithem metrical analyses.The catalytic activity of the three complexes for disproportionation of O2-was determined by NBT method.The result shows that the complexes have a high SOD-like activity,and the KQ values of complexes 1,2 and 3 are 0.78×107mol-1·L·s-1,1.28×107mol-1,and 1.50×107mol-1L·s-1,respectively.展开更多
文摘Three complexes of Mn(Ⅱ)with L-amino acid[L-Isoleucine(L-Ile),L-Methionine(L-Met),L-Tryptophan(L-Trp)]were synthesized and characterized by elemental analysis,infrared spectra and gravithem metrical analyses.The catalytic activity of the three complexes for disproportionation of O2-was determined by NBT method.The result shows that the complexes have a high SOD-like activity,and the KQ values of complexes 1,2 and 3 are 0.78×107mol-1·L·s-1,1.28×107mol-1,and 1.50×107mol-1L·s-1,respectively.