Synthesis and biological evaluation of new conformationally biased integrin ligands based on a tetrahydroazoninone scaffold

The synthesis of new conformationally biased cyclic pentapeptides, incorporating the RGD sequence, and built around a tetrahydroazoninone scaffold, is reported. They exhibit interesting activity towards integrin αVβ3 and a remarkable selectivity in comparison with integrin αVβ5.

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