A Novel Sugar Sensing System Designed with a Cooperative Action of a Boronic-Acid-Appended Zinc Porphyrin and a 3-Pyridylboronic Acid Axial Ligand

Masayuki Takeuchi, Hideomi Kijima, Itaru Hamachi, Seiji Shinkai

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The cooperative action of two boronic acids is indispensable to the selective binding of saccharides in aqueous solution and the binding process can be spectrophotometrically monitored by using porphyrins as a chromophoric probe. It is not so easy, however, to synthesize porphyrins that satisfy these prerequisites, i.e., porphyrins bearing two appropriately-arranged boronic acid groups within a molecule. In this paper, we report that such a diboronic-acid-based porphyrin receptor can be easily designed by utilizing the self-assembling nature of a Zn(II) porphyrin and an axial ligand: That is, a mixture of boronic-acid-appended Zn(II) porphyrin (1-Zn) and 3-pyridylboronic acid (2) self-organizes to create a novel diboronic acid system for saccharide (S) recognition. Thus, the 1-Zn·2·S ternary complexes give the CD spectral pattern inherent to saccharide absolute configuration. The present study is a new example for sugar sensing using a boronic acid-porphyrin self-assembly system.

Original languageEnglish
Pages (from-to)699-705
Number of pages7
JournalBulletin of the Chemical Society of Japan
Volume70
Issue number3
DOIs
Publication statusPublished - Jan 1 1997

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Boronic Acids
Porphyrins
Sugars
Ligands
Acids
Bearings (structural)
zinc hematoporphyrin
Self assembly
Molecules

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

A Novel Sugar Sensing System Designed with a Cooperative Action of a Boronic-Acid-Appended Zinc Porphyrin and a 3-Pyridylboronic Acid Axial Ligand. / Takeuchi, Masayuki; Kijima, Hideomi; Hamachi, Itaru; Shinkai, Seiji.

In: Bulletin of the Chemical Society of Japan, Vol. 70, No. 3, 01.01.1997, p. 699-705.

Research output: Contribution to journalArticle

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