The present invention relates to compounds comprising an oxazole or thiazole moiety of formula (I), processes for preparing them, pharmaceutical compositions comprising said compounds and their uses as H
3
-receptor ligands, Formula (I), wherein, A
1
is CH, C(alkyl), C-halogen or N; R
1
is hydrogen, halogen, C
1-6
alkyl or alkoxy; R
2
is, Formula (II′), A
3
is O or S; R
3
is hydrogen, halogen, C
1-6
alkyl or alkoxy; R
4
is hydrogen, halogen, C
1-6
alkyl, alkoxy or —O-L; R
5
is hydrogen or —O-L, wherein L is an aminoalkyl group and at least one of R
4
and R
5
should be —O-L.
本发明涉及一种包含
氧唑或
噻唑基团的化合物,其
化学式为(I),以及制备它们的方法、包含该化合物的药物组合物以及其作为H3受体
配体的用途,式(I)中,A1为CH、C(烷基)、C-卤或N;R1为
氢、卤素、C1-6烷基或烷
氧基;R2为式(II')、A3为O或S;R3为
氢、卤素、C1-6烷基或烷
氧基;R4为
氢、卤素、C1-6烷基、烷
氧基或-O-L;R5为
氢或-O-L,其中L为
氨基烷基团,且R4和R5中至少有一个应为-O-L。