Metallosupramolecular Architectures of Ambivergent Bis(Amino Acid) Biphenyldiimides

被引:8
作者
Boer, Stephanie A. [1 ,2 ]
Turner, David R. [1 ]
机构
[1] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia
[2] Australian Natl Univ, Res Sch Chem, Canberra, ACT 2600, Australia
基金
澳大利亚研究理事会;
关键词
chiral; coordination polymer; pi-interactions; self-assembly; supramolecular; METAL-ORGANIC FRAMEWORKS; SECONDARY BUILDING UNIT; SUPRAMOLECULAR SYSTEMS; COORDINATION-COMPLEXES; POLYHEDRA; LIGANDS; DESIGN; COPPER(II); CHEMISTRY; METALLACYCLES;
D O I
10.1002/asia.201900665
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The metallosupramolecular chemistry of two enantiopure dicarboxylate ligands has been explored for their potential to form discrete or polymeric interlocked motifs. Consequently, both discrete and polymeric supramolecular complexes have been synthesised, yielding M2L2 metallomacrocycles (1 and 2), a heteroleptic M2L3 metallomacrobicycle (3), a non-interpenetrated coordination polymer (4), and highly unusual chiral M8L8 squares (5 and 6). There appears to be a preference for the ligands to form M2L2-type metallomacrocyclic structural units (which feature in 1-4), although these do not engage in any mechanical interlocking, which is perhaps a combined function of the ligand flexibility and relatively small pi-surface contrasted to previous analogues. Using copper paddlewheel SBUs, chiral double-walled squares (5 and 6) are formed with large internal cavities yet poor stabilities, unexpectedly featuring the paddlewheel motifs at the vertices of the polygonal complex.
引用
收藏
页码:2853 / 2860
页数:8
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