Chemical Communications 2012-08-14

Controlled synthesis and alkaline earth ion binding of switchable formamidoxime-based crown ether analogs.

Yi Yan, Weiwen Zhao, Ganga Viswanathan Bhagavathy, Alexandre Faurie, Nicholas J Mosey, Anne Petitjean

Index: Chem. Commun. (Camb.) 48(63) , 7829-31, (2012)

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Abstract

The partial positive charge of amide protons is used to promote macrocyclization and form crown-ether analogs. Their deprotonation generates very selective pH-switchable alkaline earth ion receptors only in the presence of an appropriate substrate.