期刊
DALTON TRANSACTIONS
卷 43, 期 11, 页码 4587-4592出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3dt53243g
关键词
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资金
- Evonik Foundation
- DFG [CL 489/2-1]
- Danish National Research Foundation [DNRF93]
- Center for Materials Crystallography (CMC)
Previously, we introduced a series of anion-binding interpenetrated double-cages based on phenothiazine and its mono- and di-S-oxygenated derivatives. Here, we complete the structural comparison of the three related assemblies by an X-ray single crystal analysis of the sulfone derivative. We further show that the three palladium cages coexist in solution upon post-assembly mixing due to the very slow ligand exchange whereas treatment of binary mixtures of the corresponding ligands with Pd(II) leads to the formation of mixed cages comprising a statistical ligand distribution. In contrast, mixtures of one of these ligands with a shorter ligand derivative lead to narcissistic self-assembly into a double-cage and a coexisting small monomeric cage, regardless of the order of mixing and Pd(II) addition.
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