Novel Inhibitors of Glutaminyl Cyclase

摘要

The present invention relates to compounds of formula (I), combinations and uses thereof for disease therapy, wherein: R¹ represents heteroaryl, -carbocyclyl-heteroaryl, -alkenylheteroaryl or -alkylheteroaryl; R² represents alkyl, which may optionally be substituted by one or more groups selected from amino, halogen, hydroxyl, -alkoxy, -thioalkyl, -C(O)O-alkyl and -C(O)OH; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl, haloalkyl, amino, halogen, hydroxyl, alkoxy-, -thioalkyl, -C(O)O-alkyl and -C(O)OH; alkenyl; alkynyl; -alkyl-aryl; -alkyl-heteroaryl; -alkyl-heterocyclyl; -alkyl-carbocyclyl; -aryl-heteroaryl; -heteroaryl-aryl; -heteroaryl-heteroaryl; -aryl-aryl; -aryl (monocyclic or bicyclic); heteroaryl (monocyclic or bicyclic); heterocyclyl; or R² together with R⁴ may form a carbocyclyl group optionally substituted by one or more alkyl groups; R³ represents alkyl, which may optionally be substituted by one or more groups selected from amino, halogen, hydroxyl, alkoxy-, -thioalkyl, -C(O)OH and -C(O)O-alkyl; carbocyclyl, which may optionally be substituted by one or more groups selected from alkyl, amino, halogen, haloalkyl, hydroxyl, -alkoxy, -thioalkyl, -C(O)OH and -C(O)O-alkyl; alkenyl; -alkyl-aryl; -alkyl(aryl)₂, -alkyl(heteroaryl)₂, -alkyl(aryl)(heteroaryl), -alkyl-heteroaryl; -alkyl-heterocyclyl which heterocyclyl group may optionally be substituted by one or more groups selected from alkyl, hydroxy and oxo ; -alkyl-carbocyclyl; -aryl-heteroaryl; -heteroaryl-aryl; -aryl-aryl; -aryl-O-aryl, -heteroaryl-heteroaryl; -aryl; heteroaryl; heterocyclyl; -aryl-alkyl-aryl; -aryl-O-alkyl-aryl; -alkyl-C(O)-NH-alkyl-aryl; -alkyl-C(O)-NH-alkyl-heteroaryl; -alkyl-C(O)-NH-alkyl-heterocyclyl; -alkyl-C(O)-(N-piperidinyl) or -alkyl-C(O)-(N-pyrrolidinyl) in which piperidinyl or pyrrolidinyl may optionally be fused to optionally substituted phenyl. R⁴ represents H or alkyl.