期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2020, 期 43, 页码 6795-6800出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.202001242
关键词
Cyclophanes; Supramolecular chemistry; Sulfur extrusion; Unsymmetrical disulfides
资金
- NSF [CHE-1609926]
- Bradshaw and Holzapfel Research Professorship in Transformational Science and Mathematics
- NSF MRI instrumentation grant [CHE-1427987]
The union of metal-directed self-assembly, dynamic covalent chemistry, and sorting gives rise to 3 new unsymmetrical tetrameric disulfide macrocycles. Stepwise sulfur extrusion from the self-assembled disulfides to, first, thioethers, and then to hydrocarbons by photochemically promoted routes, gives rise to a collection of 7 new thioether and hydrocarbon cyclophanes related to the venerable family of [n]paracyclophanes. These methods provide an efficient self-assembly approach to the synthesis of hydrocarbon macrocycles (related to carbon nanohoops), a class of structures that are typically formed in lengthier, stepwise syntheses.
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