Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 46, Pages 19129-19135Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja3075727
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Funding
- EPSRC
- Gates Cambridge
- University of Bath
- Engineering and Physical Sciences Research Council [EP/F035888/1] Funding Source: researchfish
- EPSRC [EP/F035888/1] Funding Source: UKRI
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We report the first dynamic combinatorial synthesis in water of an all acceptor [2]catenane and of different types of donor-acceptor [2] and [3]catenanes. Linking two electron-deficient motifs within one building block using a series of homologous alkyl chains provides efficient and selective access to a variety of catenanes and offers an unprecedented opportunity to explore the parameters that govern their synthesis in water. In this series, catenane assembly is controlled by a fine balance between kinetics and thermodynamics and subtle variations in the building block structure, such as the linker length and building block chirality. A remarkable and unexpected odd-even effect with respect to the number of atoms in the alkyl linker is reported.
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