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Synlett 1995; 1995(1): 85-89
DOI: 10.1055/s-1995-4875
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Synthesis of a New Calix[4]arene Family Using syn-Dihydroxy[2.n]metacyclophane as a Building Block

Yukihiro Okada, Yoshinori Kasai, Jun Nishimura*
  • *Department of Chemistry, Gunma University, Tenjin-cho 1-5-1, Kiryu 376, Japan
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Publication Date:
31 December 2000 (online)

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By using dihydroxymetacyclophanes, a new calix[4]arene family, which kept the cone-conformation between r.t. and 140 °C in DMSO, was successfully synthesized in excellent yields. The several derivatives sufficiently show the selectivity and extractability as excellent ionophores for alkali metals, alkaline earth metals, transition metals, and lanthanoids.

Metacyclophane - calixarene - ionophore - extraction