• Open Access

Tetrameric Cyclic Double Helicates as a Scaffold for a Molecular Solomon Link


  • We thank the Engineering and Physical Sciences Research Council (EPSRC) National Crystallography Service for data collection. This research was funded by the EPSRC. J.E.B. is a Swiss National Science Foundation postdoctoral fellow.


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Let's twist again: The one-pot synthesis of a molecular Solomon link assembles four iron(II) cations, four bis(aldehyde) molecules, and four bis(amine) building blocks. The process generates two interwoven 68-membered-ring macrocycles, which feature four crossing points, in 75 % yield.