{[1.1.1]Cryptand/Imidazole}: A Prototype Composite Kinetic Molecular Device for Automatic NMR Variable pH Reaction Monitoring

Just the NMR spectrometer! An unprecedented NMR automatic titration of a water-soluble organometallic catalyst has been carried out without the use of any physical device employing instead the composite kinetic molecular device {[1.1.1]cryptand/imidazole}, capable of changing the pH and measuring it from inside the NMR tube.