Aryl and Heteroarylsulfonate

The invention relates to novel aryl and heteroaryl sulfonates of formula (Ia) and to methods for producing them and to novel aryl and heteroaryl sulfonates of formula (I) for treating and/or preventing diseases, especially for treating pain and neurodegenerative diseases, A representing (C6-C10)-aryl or 5-10-membered heteroaryl, D representing (C6-C10)-arylene or 5-10-membered heteroarylene, R representing (C4-C8)-alkyl, (C2-C8)-alkyl, the carbon chain being interrupted by one or two heteroatoms or groups chosen from the following group: -O-, -S-, -SO- and -SO2-, (C2-C8)-alkenyl or (C2-C8)-alkinyl, in formula (Ia); and R representing (C3-C8)-alkyl, (C2-C8)-alkyl, the carbon chain being interrupted by one or two heteroatoms or groups chosen from the following group: -O-, -S-, -SO- and -SO2-, (C2-C8)-alkenyl or (C2-C8)-alkinyl.