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Molecular Russian dolls.

Abstract：

:The host-guest recognition between two macrocycles to form hierarchical non-intertwined ring-in-ring assemblies remains an interesting and challenging target in noncovalent synthesis. Herein, we report the design and characterization of a box-in-box assembly on the basis of host-guest radical-pairing interactions between two rigid diradical dicationic cyclophanes. One striking feature of the box-in-box complex is its ability to host various 1,4-disubstituted benzene derivatives inside as a third component in the cavity of the smaller of the two diradical dicationic cyclophanes to produce hierarchical Russian doll like assemblies. These results highlight the utility of matching the dimensions of two different cyclophanes as an efficient approach for developing new hybrid supramolecular assemblies with radical-paired ring-in-ring complexes and smaller neutral guest molecules.

journal_name

Nat Commun

journal_title

Nature communications

authors

Cai K,Lipke MC,Liu Z,Nelson J,Cheng T,Shi Y,Cheng C,Shen D,Han JM,Vemuri S,Feng Y,Stern CL,Goddard WA 3rd,Wasielewski MR,Stoddart JF

doi

10.1038/s41467-018-07673-1

subject

Has Abstract

pub_date

2018-12-10 00:00:00

pages

5275

issue

1

issn

2041-1723

pii

10.1038/s41467-018-07673-1

journal_volume

9

pub_type

杂志文章

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