Lithium ion selective dibenzo-14-crown-4 possessing a phosphoric acid functional group as a pendant

✍ Scribed by Yoichi Habata; Manami Ikeda; Sadatoshi Akabori

• Book ID: 104216223
• Publisher: Elsevier Science
• Year: 1992
• Tongue: French
• Weight: 141 KB
• Volume: 33
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)79839-x

✦ Synopsis

Dibenzo-14-crown-4 possessing an ionizable phosphoric acid moiety as an additional binding site of a pendant arm has been,synthesized.

Its complexing ability was measured by solvent extraction and transport experiment.

It is disclosed that the introduction of the pendant group to the dibenzo-14-crown-4 provides a significant enhancement in the extractability and the transport rate toward only Li + ion.

Recently, many of crown ether derivatives having four oxygen atoms as Li + ion selective carriers have been reported, l)