A dendritic porphyrin receptor for C60 which features a profound positive allosteric effect

Masatsugu Ayabe, Atsushi Ikeda, Yohei Kubo, Masayuki Takeuchi, Seiji Shinkai

Research output: Contribution to journalArticlepeer-review

Abstract

Treble clefts: The dendritic porphyrin receptor 1 has three fullerene-binding clefts, each of which consists of two face-to-face-oriented porphyrins. [60]Fullerene guests bind to each subunit, successively suppressing the rotational freedom ("domino" effect) and the guest-binding proceeds according to positive homotropic allosterism. As expected, the binding constant achieved in this system is large.

Original languageEnglish
Pages (from-to)2790-2792
Number of pages3
JournalAngewandte Chemie - International Edition
Volume41
Issue number15
DOIs
Publication statusPublished - 2002 Aug 2
Externally publishedYes

Keywords

  • Allosterism
  • Fullerenes
  • Host-guest systems
  • Porphyrinoids
  • Zinc

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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