Substituted aminothiazole derivatives, methods of their preparation, pharmaceutical compositions comprising a substituted aminothiazole, and methods of use in treating human or animal disorders. The compounds may be useful as inhibitors of action of AgRP on a melanocortin receptor and thus may be useful for the management, treatment, control, or the adjunct treatment of diseases which may be responsive to the modulation of melanocortin receptors including obesity-related disorders.