The Journal of organic chemistry

Lower rim 1, 3-diderivative of calix [4] arene-appended salicylidene imine (H2L): experimental and computational studies of the selective recognition of H2L toward …

R Joseph, JP Chinta, CP Rao

Index: Joseph, Roymon; Chinta, Jugun Prakash; Rao, Chebrolu P. Journal of Organic Chemistry, 2010 , vol. 75, # 10 p. 3387 - 3395

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Citation Number: 57

Abstract

A new 1, 3-diderivative of calix [4] arene appended with hydroxymethyl salicylyl imine has been synthesized and its ion recognition toward biologically relevant M n+ ions studied. The receptor H2L showed selectivity toward Zn2+ by switch-on fluorescence among the 12 metal ions studied with a detection limit of 192 ppb. The interaction of Zn2+ with H2L has been further supported by absorption studies, and the stoichiometry of the complex formed (1: 1) ...

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