Squaramido-based receptors: Molecular recognition of carboxylate anions in highly competitive media

DOI: 10.1016/S0040-4039(97)10728-6

Source and publish data:

Tetrahedron Letters p. 1063 - 1066 (1998)

Update date:2022-08-03

Topics:

Authors:

Prohens, Rafel

Tomas, Salvador

Morey, Jeroni

Deya, Pere M.

Ballester, Pablo

Costa, Antoni

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Article abstract of DOI:10.1016/S0040-4039(97)10728-6

A new series of artificial receptors for binding carboxylates has been developed. The receptors are base, on the hydrogen bonding abilities of secondary squaramides as binding subunits. The data reveal the formation of 1:1 complexes in highly competitive media. Using convenient spacers, receptors for di- and tri-carboxylates that incorporate two and three squaramide subunits have been prepared. The complexes are characterized by nmr and, when possible, by FAB spectral analysis.

Full text of DOI:10.1016/S0040-4039(97)10728-6

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