Modular Solid‐Phase Synthesis of Teroxazoles as a Class of α‐Helix Mimetics
2012
α-Helices are ubiquitous structural elements of proteins and are important in molecular recognition. Small molecules mimicking α-helices have proven to be valuable biophysical probes or modulators of protein-protein interactions. Here, we present modeling studies and the modular solid-phase synthesis of teroxazole derivatives as a new class of α-helix mimetics. The synthesis is compatible with a variety of functional groups and should thus be generally applicable for generating diversely substituted oligo-oxazole scaffolds. The teroxazole scaffold is predicted to be polar and to project peptidomimetic side chains at positions i, i+3, and i+6 of an α-helix, which complements projection patterns of existing helix mimetics. The scaffold retains sufficient conformational flexibility to conform to induced-fit models of protein-protein interaction inhibition.
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