Chirality sensing by nonchiral porphines

Jan Labuta, Shinsuke Ishihara, Atsuomi Shundo, Satoshi Arai, Shinji Takeoka, Katsuhiko Ariga, Jonathan P. Hill

    Research output: Contribution to journalArticlepeer-review

    36 Citations (Scopus)


    Let's split the difference: Nonchiral porphine macrocycles have been used as chemical shift agents for the determination of the enantiomeric excesses of chiral carboxylic acids. This method is based on the observation of the relative splitting induced in the 1H NMR resonances of the porphine protons. A mechanism for the recognition based on the fast exchange of the guest molecules has been proposed (see scheme).

    Original languageEnglish
    Pages (from-to)3558-3561
    Number of pages4
    JournalChemistry - A European Journal
    Issue number13
    Publication statusPublished - Mar 21 2011

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)


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