Supramolecular fixation of NO2 with calix[4]arenes.
Reaction of NO2 with simple calix[4]arenes in chloroform in the presence of a Lewis acid rapidly results in intense coloration caused by the encapsulation of nitrosonium cation.
Zyryanov
Grigory V
GV
Department of Chemistry & Biochemistry, University of Texas at Arlington, Arlington, TX 76019-0065, USA.
Kang
Yanlong
Y
Stampp
Stephen P
SP
Rudkevich
Dmitry M
DM