| abstract |
The invention provides 1,3,4-thiadiazoles having the following formula (I): <CHEM> in which, R1 is alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, aryl, heteroaryl or a polycyclic group, optionally substituted, R2 is alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl or aryl optionally substituted, R3 is X2-R'3, in which X2 is a binding group and R'3 is cycloalkyl, heterocycloalkyl, cycloalkenyl, aryl, heteroaryl, or a polycyclic group; optionally substituted, or their pharmaceutically acceptable derivatives, the process for their preparation and their use for the manufacture of a medicament for the treatment of disorders for which a treatment by a PDE7 inhibitor is relevant. |