A facile route to old and new cyclophanes via self-assembly and capture.

Abstract:

:Cyclophanes are a venerable class of macrocyclic and/or cage compounds that often feature high strain, unusual conformations and quite surprising properties, many of which are legendary in physical organic chemistry. However, the discovery of new, diverse cyclophanes and derivatives has been hindered by syntheses that are traditionally low-yielding, requiring long reaction times, laborious purification steps and often extreme conditions. Herein, we demonstrate a new self-assembly route to a variety of discrete cyclic and caged disulfide structures, which can then be kinetically captured upon sulfur extrusion at room temperature to give a diversity of new thioether (hetera)cyclophanes in high yield. In addition to the synthesis of novel macrocycles (dimers through hexamers), this process provides an improved route to a known macrobicyclic trithiacyclophane. This technique also enables the facile isolation of a tetrahedral macrotricyclic tetrathiacyclophane in two steps at an ambient temperature.

journal_name

Nat Commun

journal_title

Nature communications

authors

Collins MS,Carnes ME,Nell BP,Zakharov LN,Johnson DW

doi

10.1038/ncomms11052

subject

Has Abstract

pub_date

2016-04-04 00:00:00

pages

11052

issn

2041-1723

pii

ncomms11052

journal_volume

7

pub_type

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