Substituted 1,2,4-triazoles as intermediates in the synthesis of TYK2 inhibitors

Described herein are compounds, for example, 1,2,4-triazole-substituted N-heteroaryl amines, that are useful in treating a TYK2-mediated disorder. In some embodiments, the TY-K2-mediated disorder is an autoimmune disorder, an inflammatory disorder, a proliferative disorder, an endocrine disorder, a neurological disorder, or a disorder associated with transplantation.