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Chiral recognition and enantiomeric separation of alanine β-naphthylamide by cyclodextrins

✍ Scribed by Yuko Yamashoji; Takahiro Ariga; Satoshi Asano; Minoru Tanaka

Book ID
102980734
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
633 KB
Volume
268
Category
Article
ISSN
0003-2670

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✦ Synopsis

The host-guest 'nteract'on of chermcally unmod'fied and modified (methylated and acetylated) cyclodextrms (CDs) with alarune /3-naphthylarmde was studled by 'H NMR spectrometry The 'nclusion complex formation of the guest w'th CDs, except for (Y-CD, was evaluated on the basis of remarkable changes m their chermcal shtis The clural recognition of DL-alamne /3-naphthylanude by CDs was confirmed from duphcat'on of 'ts proton resonances The enant'omenc separation abrhty of CDs was also investigated by capdlary zone electrophoresis Diacetylated B-CD and unmodified /3-and y-CDs exlututed high enantmselectnWes Moreover, the chermcal mod&&on produced a reverse m the m'gration order of the enantiomers

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