Selective oxidation of thiacalix[4]arenes to the sulfinyl- and sulfonylcalix[4]arenes and their coordination ability to metal ions

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1998 English Publisher:Elsevier BVJournal:Tetrahedron Letters, volume 39, pages 7,559-7,562 (issn: 0040-4039,

Authors: Nobuhiko Iki; Hitoshi Kumagai; Naoya Morohashi; Kohki Ejima; Mitsuharu Hasegawa; Setsuko Miyanari; Sotaro Miyano;

doi: 10.1016/s0040-4039(98)01645-1

Selective oxidation of thiacalix[4]arenes to the sulfinyl- and sulfonylcalix[4]arenes and their coordination ability to metal ions

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Abstract

Abstract Thiacalix[4]arenes, in which the four methylene birdge of calix[4]arenes are replaced by sulfide linkages, were selectively oxidized to sulfinyl- or sulfonylcalix[4]arene under mild conditions with control of the stoichiometry of the oxidant. Solvent extraction of the 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.

10 Research products, page 1 of 1

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