Five-membered ring aromatic heterocycles are important molecules that have found application throughout the chemical sciences. 1 In particular, oxazoles are important peptidomimetics, 2,3 agrochemicals 4 and are found in many natural products. 5 Imidazoles have become important constituents of ionic liquids, 6 N-heterocyclic carbene complexes 7 and are important organocatalytic moieties. 8 Thiazoles have found recent application as organic metals 9 and magnets. 10 ...
