The invention concerns a compound of formula (I) (I) R1═H, —CH3 or
acyl group, preferably R1═—CH3R2═H or
halogen atom selected in the group consisting of: F, Cl, Br, I, preferably R2═H or a pharmaceutically acceptable isomer, salt and / or solvate thereof, for use in preventing and / or treating neurodegenerative diseases when central muscarinic
neurotransmission is compromised, wherein said neurodegenerative
disease is selected in the group consisting of Alzheimer's
Disease (AD), vascular
dementia,
Dementia with Lewy bodies (DLB), mixed
dementia, frontotemporal lobar degeneration (FTLD), and Parkinson's
disease (PD).