Fluoride ion complexation by a cationic borane in aqueous solution
作者:Min Hyung Lee、Tomohiro Agou、Junji Kobayashi、Takayuki Kawashima、Fran?ois P. Gabba?
DOI:10.1039/b616814k
日期:——
The phosphonium borane [p-Mes(2)B(C(6)H(4))PMePh(2)](+) complexesfluoride in water containing 10% methanol with a binding constant of 1.0(+/-0.1) x 10(3) M(-1) to afford the zwitterion p-Mes(2)FB(C(6)H(4))PMePh(2).
Fluoride Ion Chelation By a Bidentate Phosphonium/Borane Lewis Acid
作者:Todd W. Hudnall、Young-Min Kim、Magnus W. P. Bebbington、Didier Bourissou、François P. Gabbaï
DOI:10.1021/ja804492y
日期:2008.8.1
These results, which are supported by NBO and AIM analyses, show that the latent phosphorus-centered Lewis acidity of the phosphonium moiety in [2]+ can be exploited to enhance fluoride binding via chelation.
[<sup>18</sup>F]-Fluoride capture and release: azeotropic drying free nucleophilic aromatic radiofluorination assisted by a phosphonium borane
作者:Cécile Perrio、Sébastien Schmitt、Daniel Pla、François P. Gabbaï、Kantapat Chansaenpak、Béatrice Mestre-Voegtle、Emmanuel Gras
DOI:10.1039/c6cc05168e
日期:——
[18F]Fluoride ready for aromatic nucleophilicsubstitution was prepared according to a simple process including trapping of cyclotron-produced aqueous [18F]fluoride on a cartridge pre-loaded with the phosphonium borane (Ph2MeP)C6H4(BMes2)]+, then releasing...