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Synthesis of doubly bridged p-tert-butyl-calix[6]arene containing hard and soft ion binding sites

✍ Scribed by Yikun Chen; Yuanyin Chen

Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 68 KB
Volume: 41
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)01646-4

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✦ Synopsis

A conformationally preorganized, C s -symmetrical p-tert-butyl-calix[6]-1,4-crown-4-2,6-dioxo-diazacrown-4 with hard and soft ion binding sites at the lower rim is synthesized. The binding sites may complex alkali metal ions or transition metal ions selectively.

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