Toward daisy chain polymers: "Wittig exchange" of stoppers in [2]rotaxane monomers

Stuart J. Rowan, Stuart J. Cantrill, J. Fraser Stoddart*, Andrew J P White, David J. Williams

*この研究の対応する著者

研究成果: Article査読

92 被引用数 (Scopus)

抄録

(figure presented) Two ammonium ion/crown ether-based [2]rotaxane monomers - each incorporating (i) a dumbbell-shaped component, possessing an exchangeable benzylic triphenylphosphonium stopper, and (ii) a ring component, bearing an aldehyde function - undergo a sequence of Wittig reactions in which the surrogate triphenylphosphonium stopper is exchanged for a ring component either (i) in the same rotaxane molecule to give cyclic daisy chains by an intramolecular, chain-terminating reaction or (ii) in another rotaxane molecule to give acyclic daisy chains by an intermolecular chain-propagating reaction.

本文言語English
ページ(範囲)759-762
ページ数4
ジャーナルOrganic Letters
2
6
出版ステータスPublished - 2000 3月 23
外部発表はい

ASJC Scopus subject areas

  • 分子医療

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