A Modular and Convergent Synthetic Route to Supramolecular Cyclic Dimers Based on Amidinium‐Carboxylate Interactions

Abstract

We describe herein the optimized design and modular synthetic approach towards supramolecularly programmed monomers that can form discrete macrocyclic species of controllable size and shape through amidinium‐carboxylate interactions in apolar and polar media.

Highly efficient grafting of hetero-complementary amidinium and carboxylate hydrogen-bonding/ionic pairs onto polymer surfaces

“…18,19 Among these units, we recently put our focus on the carboxylate:amidinium pair (Fig. 1) 20,21 as a suited candidate to potentially provide high hetero-/homo-adhesion ratio and low moisture sensitivity to polymer materials, since it offers a balanced combination of H-bonding and ionic interactions. On one hand, hetero-complementary H-bonds are reinforced by Coulombic attraction between the carboxylate anion and the amidinium cation, while homo-complementary interactions are weakened.…”