期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 45, 页码 16813-16816出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja4092193
关键词
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资金
- National Basic Research Program [2013CB834502]
- NSFC/China [91027006, 21125417, 21322206, 21132005, 91027005]
- Fundamental Research Funds for the Central Universities [2012QNA3013]
- NSF [1212799]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1212799] Funding Source: National Science Foundation
We describe the efficient preparation of rhomboidal metallacycles that self-assemble upon mixing a donor decorated with 2-ureido-4-pyrimidinone (UPy) with acceptors containing pendant [G1]-[G3] dendrons. The formed rhomboids subsequently polymerize into dendronized organoplatinum(II) metallacyclic polymers through H-bonding UPy interfaces, which possess the structural features of conventional dendronized polymers as well as the dynamic reversibility of supramolecular polymers. Preservation of both properties in a single material is achieved by exploiting hierarchical self-assembly, namely the unification of coordination-driven self-assembly with H-bonding, which provides facile routes to dendronized metallacycles and subsequent high ordering. The supramolecular polymerization defined here represents a novel method to deliver architecturally complex and ordered polymeric materials with adaptive properties.
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