2003
DOI: 10.1016/s0040-4020(03)01137-2
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Synthesis and complexation properties towards amino acids of mono-substituted p-sulphonato-calix-[n]-arenes

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Cited by 93 publications
(107 citation statements)
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“…[11] The mononitrile of p-SO 3 H-calix [6]arene was converted into the corresponding monoamine in order to examine its interactions with amino acids in aqueous media. [12] To the best of our knowledge no significant conformational restriction has been obtained for cyanomethylated calix [6]arenes and their one-step derivatives.…”
Section: Resultsmentioning
confidence: 96%
“…[11] The mononitrile of p-SO 3 H-calix [6]arene was converted into the corresponding monoamine in order to examine its interactions with amino acids in aqueous media. [12] To the best of our knowledge no significant conformational restriction has been obtained for cyanomethylated calix [6]arenes and their one-step derivatives.…”
Section: Resultsmentioning
confidence: 96%
“…The monocyanomethylation of p-(tert-butyl)-and p-H-calix [4]arenes has been realized recently using an equimolar amounts of bromoacetonitrile and alkaline metal carbonates (1.0 equiv.) 16 or bis(tributyltin)oxide (0.5 equiv.) 17 as bases.…”
Section: Resultsmentioning
confidence: 99%
“…Tris-calix [4]arene 7 exhibited high extraction percentage for basic a-amino acid (lysine, histidine, tryptophan and arginine) than that of host 6, which also might indicate that the rigid structure of compound 7 was favorable for complexation selectivity. Tris-calix [4]arene 7 was a good example of neutral receptor for effective binding series of a-amino acid in calixarene chemistry, although some calixarene derivatives containing carboxylic acid [12,13], phosphonates [14] or sulphonate [15] were reported to bind amino acids or their esters. Scheme 2…”
Section: Extraction Studies For Cations and Amino Acidsmentioning
confidence: 99%