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Urea-tetrahydrobenzoxanthene receptors for carboxylic acids

✍ Scribed by Ana I Oliva; Luis Simón; Francisco M Muñiz; Francisca Sanz; Joaquı́n R Morán

Book ID
108282545
Publisher
Elsevier Science
Year
2004
Tongue
French
Weight
868 KB
Volume
60
Category
Article
ISSN
0040-4020

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Benzimidazole receptors for carboxylic a
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Combination of an aminobenzimidazole with a chromenone unit provides a receptor for carboxylic acids or primary amides. This host is highly selective for carboxylic acids with Kass above 106 M -I while amides only bind weakly with association constants in the order of hundreds of M -1.