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A rotaxane synthesis based on stilbene photoisomerization. A photoswitchable catch and release process
Yuji Tokunaga1, Koichiro Akasaka, Kenji Hisada
1Department of Materials Science and Engineering, Faculty of Engineering, Fukui University, Fukui, 910-8507, Japan. tokunaga@matse.fukui-u.ac.jp
Chemical Communications (Cambridge, England)
|September 19, 2003
Abstract:
A [2]rotaxane, having (Z)-alpha-methylstilbene as a stopper, is (1) synthesized in good yield by using a (E)- to (Z)-stilbene photoisomerization process, and (2) dissociated by reverse photoisomerization from (Z)- to (E)-stilbene.