Treatment of parkinson's disease, obstructive sleep apnea, dementia with lewy bodies, vascular dementia with non-imidazole alkylamines histamine H3-receptor ligands

摘要

Disclosed is a compound of formula (IIa), wherein R1 and R2 form together with the nitrogen atom to which they are attached a saturated nitrogen-containing ring of formula (i), chain Aii selected from an unbranched alkyl group, chain Bii selected from an unbranched alkyl comprising three carbon atoms, and the other substituents are as listed in the specification, used in the treatment of Parkinson's disease and its symptoms.