The present invention provides Quinazolin-THF-amines as PDE1 inhibitors and their use as a medicament, in particular for the treatment of neurodegenerative disorders and psychiatric disorders.La presente invención proporciona quinazolin-THF-aminas como inhibidores de PDE1 y su uso como un medicamento, en particular para el tratamiento de transtornos neurodegenerativos y transtornos psiquiátricos.