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Synthesis of Sulfinyl- and Sulfonylcalix[4]arenes via Selective Oxidation of Thiacalix[4]arenes and Their Recognition Ability of Metal Ions.

Accession number;99A0228230

Title;Synthesis of Sulfinyl- and Sulfonylcalix[4]arenes via Selective Oxidation of Thiacalix[4]arenes and Their Recognition Ability of Metal Ions.

Author; MOROHASHI NAOYA (Tohoku Univ.) EJIMA KOKI (Tohoku Univ.) IKI NOBUHIKO (Tohoku Univ.) MIYANO SOTARO (Tohoku Univ.)

Journal Title;Abstracts. Symposium on Biofunctional Chemistry

Journal Code:L0836A

ISSN:

VOL.13th;NO.;PAGE.124-126(1998)

Figure&Table&Reference;

Pub. Country;Japan

Language;Japanese

Abstract;Thiacalix[4]arenes, in which the four methylene bridges of calix[4]arenes are replaced by sulfide linkages were selectively oxidized to the sulfinyl- or sulfonylcalix[4]arenes under mild conditions with control of the stoichiometry of the oxidant. Solvent extraction of transition and alkaline earth metal ions with these hosts showed that the metal binding ability was governed by the oxidation state of the sulfur functionalities. (author abst.)

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