Angewandte Chemie. International edition in English 2009-01-01

Sulfonium boranes for the selective capture of cyanide ions in water.

Youngmin Kim, Haiyan Zhao, François P Gabbaï

Index: Angew. Chem. Int. Ed. Engl. 48(27) , 4957-60, (2009)

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Abstract

Going fishing! The sulfonium borane [1](+) complexes cyanide in pure water at the maximum allowable concentration of 50 ppb recommended by the European Union. The high cyanide ion affinity displayed by this compound arises from favorable Coulombic effects augmented by a direct bonding interaction between the cyano and sulfonio groups.