Aryl sulfonamides and analogues thereof and their use in the treatment of neurodegenerative diseases

A compound of the formula (I):

• R1—A—D—E—G—L—R2 (I)
• in which
• R1 represents naphth-1-yl, which is optionally substituted by (C1-C6)-alkyl substituted by hydroxyl, (C1-C6)-acylamino, amino or (C1-C6)-alkoxy, indan-4-yl, which is substituted by hydroxy(C1-C6)-alkyl,
• a radical of the formula
• in which
• R3 is (C1-C6)-alkyl,
• E and A represent a bond,
• D represents an oxygen atom,
• G represents 1,3-phenylene, 1,4-phenylene or 2,5-pyridylene, each of which is optionally substituted by halogen,
• L represents a radical of the formula —NH—SO2— or —O—SO2— and
• R2 represents (C1-C6)-alkyl which is optionally substituted by chlorine, trifluoromethyl, by a radical of the formula —O—CH2—CF3 or by phenyl or by pyridyl, which can be substituted by bromine or chlorine, or a salt thereof.