Discovery of a 4-aryloxy-1H-pyrrolo[3,2-c]pyridine and a 1-aryloxyisoquinoline series of TRPA1 antagonists

Abstract A series of TRPA1 antagonists is described having a 4-aryloxy-1 H -pyrrolo[3,2- c ]pyridine or a 1-aryloxyisoquinoline scaffold. These compounds have high ligand efficiency and favorable physical properties and may thus serve as scaffolds for further optimization.