| Abstract
| - Constitutional dynamics, self-assembly, and helical-folding control are brought together in theefficient Sc(OTf)3/microwave-catalyzed transimination of helical oligohydrazone strands, yielding highlydiverse dynamic libraries of interconverting constituents through assembly, dissociation, and exchange ofcomponents. The transimination-type mechanism of the ScIII-promoted exchange, as well as its regioselectivity, occurring only at the extremities of the helical strands, allow one to perform directional terminalpolymerization/depolymerization processes when starting with dissymmetric strands. A particular library issubsequently brought to express quantitatively [2 × 2] gridlike metallosupramolecular arrays in the presenceof ZnII ions by component recombination generating the correct ligand from the dynamic set of interconvertingstrands. This behavior represents a process of driven evolution of a constitutional dynamic chemical systemunder the pressure (coordination interaction) of an external effector (metal ions).
|
