Synthesis of per(5-N-carboxamide-5-dehydroxylmethyl)-β-cyclodextrins and their selective recognition ability utilizing multiple hydrogen bonds

Chemical Communications : Chem Comm
Takashi NakamuraTatsuya Nabeshima

Abstract

Per(5-N-carboxamide-5-dehydroxylmethyl)-β-cyclodextrin derivatives with seven equivalent amide groups directly attached to each pyranose ring were synthesized. The amide cyclodextrins show unique recognition properties toward hydrogen phosphonate anions. An X-ray crystallographic analysis revealed its recognition mode in which unsymmetrically arranged amide groups play distinctive roles both as a hydrogen bond donor and acceptor.

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Citations

Dec 31, 2020·Journal of the American Chemical Society·Scott M ShepardChristopher C Cummins

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Methods Mentioned

BETA
X-ray
NMR

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