The chromatic separation of adenine, adenosine, cytosine, phenol, benzene, and toluene were investigated by using 5,11,17,23‐tert‐butyl‐25,27‐bis(cyanomethoxy)‐26‐(chloroformyl)‐28‐hydroxy‐calix[4]arene bonded aminopropyl silica (CDBAPS) as a stationary phase. The separation ability of the stationary phase was observed to be good for target species. The effect of non‐polar calix[n]arene network was observed in chromatographic processes, and it was thought that, thanks to the relatively polar nitrile groups, further selectivity would be obtained in various chromatographic separations.
Acknowledgements
We thank the Scientific Research Projects Foundation of Selcuk University (SUBAP, Grant Numbers, 2003-187 and 2003-136) for financial support of this work.