Chirality sensing of saccharides using a boronic acid-appended chiral ferrocene derivative

Masayuki Takeuchi, Toshihisa Mizuno, Seiji Shinkai, Shohei Shirakami, Toshiyuki Itoh

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57 Citations (Scopus)


A diboronic acid-appended chiral ferrocene derivative (R)-9 was designed and synthesized. This chiral ferrocene scaffold was obtained by resolution of the diastereomer with a monosaccharide derivative. One can therefore expect that (R)-9 would show D/L selectivity for specific monosaccharides. The complex formation of (R)-9 with various saccharides using the two boronic acid functions was conveniently monitored by a change in the circular dichroism (CD) spectra. The CD spectral change (Δ[θ]) induced by added monosaccharides was chiroselective: in particular, D/L-alloses and D/L-galactoses induced the 8.0- and 7.0-fold difference in the magnitude of the CD spectral change. The association constants for D- and L-saccharides (K(D) and K(L), respectively) were determined: among them, (R)-9 showed a significant discrimination ability for mannose (K(L)/K(D)=2.6) and arabinose (K(L)/K(D)=1/2.4). The origin of D/L selectivity was discussed on the basis of computational studies on (R)-9.saccharide complexes. Copyright (C) 2000 Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)3311-3322
Number of pages12
JournalTetrahedron Asymmetry
Issue number16
Publication statusPublished - 2000 Aug 25


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