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Binding of Boron and Alkali Metal Cations by a Pseudocryptand
Author(s) -
Graf Ernest,
Hosseini Mir Wais,
Ruppert Romain,
Kyritsakas Nathalie,
De Cian André,
Fischer Jean,
Estournès Christine,
Taulelle Francis
Publication year - 1995
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199511151
Subject(s) - alkali metal , moiety , chemistry , boron , potassium , selectivity , inorganic chemistry , metal , combinatorial chemistry , stereochemistry , organic chemistry , catalysis
A synthetic analogue of the natural antibiotic boromycin is described. The negatively charged pseudocryptand 1 possessing a spiroborate moiety binds the potassium cation with the highest stability thus far observed with synthetic receptors. Furthermore, compound 1 displays high selectivity for potassium over other alkali metal cations.