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Synthesis of a pillar[5]arene-based [2]rotaxane with two equivalent stations via copper(I)-catalyzed alkyne-azide cycloaddition.

Authors
  • Ogoshi, Tomoki
  • Iizuka, Ryo
  • Kotera, Daisuke
  • Yamagishi, Tada-aki
Type
Published Article
Journal
Organic Letters
Publisher
American Chemical Society
Publication Date
Jan 16, 2015
Volume
17
Issue
2
Pages
350–353
Identifiers
DOI: 10.1021/ol5034699
PMID: 25539029
Source
Medline
License
Unknown

Abstract

A one-pot synthesis of pillar[5]arene-based [2]rotaxanes containing one and two stations by copper(I)-catalyzed alkyne-azide cycloaddition (CuAAC) reaction is reported. In situ formation of the two stations by two stepwise CuAAC reactions allows for the synthesis of a [2]rotaxane containing two stations with equal energy levels that exhibit shuttling of the pillar[5]arene wheel.

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