Translational isomerism in a [3]catenane and a [3]rotaxane
Journal
Organic Letters
Journal Volume
4
Journal Issue
21
Pages
3561-3564
Date Issued
2002
Author(s)
Abstract
[structure: see text] Post-assembly covalent modification using Wittig chemistry of [2]rotaxane ylides, wherein NH(2)(+) centers in the dumbbell-shaped components are recognized by dibenzo[24]crown-8 (DB24C8) rings, has afforded a [3]catenane and a [3]rotaxane with a precise and synthetically prescribed shortage of DB24C8 rings. The nondegenerate pairs of translational isomers present in both of these interlocked molecular compounds provide the fundamental platform on which to construct sensory devices and nanochemomechanical systems.
Type
journal article