Efficient anion binding to cerium(IV) bis(porphyrinate) double decker utilizing positive homotropic allosterism

Masashi Yamamoto, Atsushi Sugasaki, Masato Ikeda, Masayuki Takeuchi, Karine Frimat, Tony D James, Seiji Shinkai

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

New cerium(IV) bis(porphyrinate) double decker bearing two pairs of anion binding sites was synthesized. This anion receptor can bind dianionic tartarate guest according to positive homotropic allosterism. Analysis using the Hill equation afforded log K (association constant) = 9.33 [(mol dm(-3))(-2)] and n (Hill coefficient) = 2.1 (+/- 0.1). This is the first example when "static" anion binding has been combined with the "dynamic" allosteric system.
Original languageEnglish
Pages (from-to)520-521
Number of pages2
JournalChemistry Letters
Volume6
DOIs
Publication statusPublished - 2001

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