The invention relates to 2-imidazo-benzothiazoles of general formula
1
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, R′, R″, X, R′″ and n are defined herein, or a pharmaceutically acceptable salt thereof.
It has been found that the compound of formula I are adenosine receptor ligands with good affinity to the A
1
and A
3
receptors. These compounds have useful pharmaceutical activities.