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Communication | Special issue | Vol 88, No. 2, 2014, pp.911-917
Published online, 14th August, 2013
DOI: 10.3987/COM-13-S(S)61
Synthesis of p-tert-Butylcalix[4]thiacrowns Exhibiting Sulfur Number-Dependent Complexation with Mercury(II) Ion

Tatsuya Takimoto,* Hirohito Tsue, Hiroki Takahashi, Rui Tamura, and Hideaki Sasaki

*Faculty of Pharmaceutical Sciences, Kobe Gakuin University, 1-1-3 Minatojima, Chuo-ku, Kobe 650-8586, Japan

Abstract

A novel synthetic pathway to calix[4]thiacrowns 3 and 4 has been developed. NMR studies revealed that the complexation behavior of 3 and 4 with mercury(II) ion was controlled by the number of sulfur atoms involved in the thiacrown moiety.