Parity-Controlled Self-Assembly of Supramolecular Helices in a Gold(I)–Copper(II) Coordination System with Penicillamine and Bis(diphenylphosphino)alkane
作者:Nobuto Yoshinari、Atsushi Kakuya、Raeeun Lee、Takumi Konno
DOI:10.1246/bcsj.20140253
日期:2015.1.15
A unique gold(I)–copper(II) 1D polymeric system, [CuAu2(LCn)(pen)2}] (LCn = Ph2P(CH2)nPPh2 (n = 3, 4, and 5); H2pen: penicillamine), which involves three types of helices (single-stranded homochiral helix, single-stranded meso helix, and triple-stranded homochiral helix), is reported. This system was created from linear digold(I) metalloligands, which possess a bis(diphenylphosphino)alkane linker LCn and two-terminal pen coordination arms [Au2(LCn)(pen)2]2−. In this system, the parity (odd vs. even) of the alkyl chain of LCn and the chirality of pen (d vs. l) govern the topology and handedness of the helices, respectively.
独特的金(I)–铜(II)一维聚合物体系,[CuAu2(LCn)(pen)2}] (LCn = Ph2P(CH2)nPPh2 (n = 3、4和5);H2pen:青霉胺据报道,它涉及三种类型的螺旋(单链纯手性螺旋、单链内消旋螺旋和三链纯手性螺旋)。该系统是由线性二金(I)金属配体创建的,其具有双(二苯基膦)烷烃连接基LCn和两端笔配位臂[Au2(LCn)(pen)2]2−。在该系统中,LCn 烷基链的奇偶性(奇数与偶数)和 pen 的手性(d 与 l)分别控制着螺旋的拓扑结构和旋向性。