Tetrahedron Letters p. 1811 - 1814 (1998)
Update date:2022-08-05
Topics:
Almaraz, Marta
Martin, Mercedes
Hernandez, Jose V.
Caballero, Ma. Cruz
Moran, Joaquin R.
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 K(ass) above 106 M-1 while amides only bind weakly with association constant sin the order of hundreds of M-1.
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