BeiGene, Ltd.
NOVEL 5 OR 8-SUBSTITUTED IMIDAZO [1,5-a] PYRIDINES AS SELECTIVE INHIBITORS OF INDOLEAMINE AND/OR TRYPTOPHANE 2,3-DIOXYGENASES

Abstract:

Disclosed herein are 5 or 8-substituted imidazo [1, 5-a] pyridines and pharmaceutical compositions comprising at least one such 5 or 8-substituted imidazo [1, 5-a] pyridines, processes for the preparation thereof and the use thereof in therapy. Disclosed herein are certain 5 or 8-substituted imidazo [1, 5-a] pyridines that can be useful for inhibiting indoleamine 2, 3-dioxygenase and/or tryptophane 2, 3-dioxygenase and for treating diseases or disorders mediated thereby.