A NEW ALLOSTERIC BIS CROWN ETHER LIGAND THAT DISPLAYS NEGATIVE BINDING CO-OPERATIVITY OF THE DIQUAT DICATION BY THE COMPLEXATION OF A TRANSITION-METAL GUEST by Beer, P, Rothin, A

A NEW ALLOSTERIC BIS CROWN ETHER LIGAND CONTAINING A 2,2'-BIPYRIDYL FRAGMENT by Beer, P, Rothin, A

A NEW TYPE OF CATENAND - INTERLOCKED MACROCYCLES HELD TOGETHER BY INTRAMOLECULAR SANDWICH BENZO-15-CROWN-5 POTASSIUM COMPLEXES by Beer, P, Rothin, A