Abstract: The invention provides substituted pyrazolo[1,5-a]pyrimidinyl carboxamide and related organic compounds, compositions containing such compounds, medical kits, and methods for using such compounds and compositions to treat medical disorders, e.g., Gaucher disease, Parkinson's disease, Lewy body disease, dementia, or multiple system atrophy, in a patient. Exemplary substituted pyrazolo[1,5-a]pyrimidinyl carboxamide compounds described herein include 2-heterocyclyl-4-alkyl-pyrazolo[1,5-a]pyrimidine-3-carboxamide compounds and variants thereof. The invention provides, in part, a compound of formula (I-A): or a pharmaceutically acceptable salt thereof, wherein the variables are as defined herein.

Abstract: The invention provides substituted imidazo[1,5-a]pyrimidinyl carboxamide and related organic compounds, compositions containing such compounds, medical kits, and methods for using such compounds and compositions to treat medical disorders, e.g., Gaucher disease, Parkinson's disease, Lewy body disease, dementia, or multiple system atrophy, in a patient. Exemplary substituted imidazo[1,5-a]pyrimidinyl carboxamide compounds described herein include substituted 2-heterocyclyl-4-alkyl-imidazo[1,5-a]pyrimidine-8-carboxamide compounds and variants thereof.