Chiral nitrogen-containing calix[4]arene was easily synthesized by the reaction of 25,27-di(2-bromoethoxy)26,28-dihydroxy-5,11,17,23-tetrakis(t-butyl)calix[4]arene with S-(-)-1-phenylethylaniine in excellent yield, and showed good ability to recognize the enantiomers of mandelic acid and 2,3-dibenzoyltartaric acid. This finding has potential application to assay and separation of enantiorners of the carboxylic acids.
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Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R ChinaWuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
Qing Guangyan
Liu Shunying
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E China Normal Univ, Adv Res Ctr NBIC Integrated Drug Discovery & Dev, Shanghai 200062, Peoples R ChinaWuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
Liu Shunying
He Yongbing
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Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R ChinaWuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China