Stereoselective Formation and Some Properties of Polynuclear Cobalt(III) Complexes with D-Penicillaminate
作者:Ken-ichi Okamoto、Toshiaki Yonemura、Takumi Konno、Jinsai Hidaka
DOI:10.1246/bcsj.65.794
日期:1992.3
mononuclear, dinuclear, and trinuclear cobalt(III) complexes with D-penicillaminate(D-pen), ΛDDD-fac(S)-[Co(D-pen-N,S)3]3−, ΛDDD-[CoCo(D-pen-N,S)3}(dien)], ΛDDD-[CoCo(D-pen-N,S)3}(D-pen-N,O,S)]2−, and ΛDDDΔDDD-[CoCo(D-pen-N,S)3}2]3− were prepared. These complexes were characterized from their electronic absorption, CD, and 13C NMR spectra. These complexes formed selectively each one isomer. The
新型单核、双核和三核钴 (III) 配合物 D-青霉胺 (D-pen), ΛDDD-fac(S)-[Co(D-pen-N,S)3]3−, ΛDDD-[Co Co(D-pen-N,S)3}(dien)], ΛDDD-[CoCo(D-pen-N,S)3}(D-pen-N,O,S)]2-,和ΛDDDΔDDD-[CoCo(D-pen-N,S)3}2]3-。这些配合物的特征在于它们的电子吸收、CD 和 13C NMR 光谱。这些复合物选择性地形成每一种异构体。D-pen 复合物的立体选择性与相应的 L-cys 的立体选择性进行了比较。D-pen 多核配合物在可见光区表现出特征吸收光谱行为。D-pen 配合物的 13C NMR 光谱行为与相应的 L-cys 的那些有关。