Journal
TETRAHEDRON LETTERS
Volume 43, Issue 32, Pages 5665-5667Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(02)01079-1
Keywords
cyclodipeptides; calixarenes; chiral discrimination; quartz crystal microbalance
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Three novel dicyclodipeptide-bearing calix[4]arenes were synthesized by reacting 1,3-di(chlorocarbonylmethoxy)-p-tert-butylcalix[4]arene with serine-containing cyclodipeptides. This family of host molecules was found to bind much more favorably with (R)-methyl lactate than with its (S)-enantiomer, especially at low analyte concentration, by using the quartz crystal microbalance (QCM) method, and thus render it as a good new candidate for chiral gas sensor coatings. (C) 2002 Elsevier Science Ltd. All rights reserved.
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