[EN] BETA-CARBOLINE DERIVATIVES FOR USE AS ANALGESICS<br/>[FR] DERIVES DE BETA-CARBOLINE UTILISES COMME ANALGESIQUES
申请人:BRITISH TECH GROUP INT
公开号:WO2001032176A1
公开(公告)日:2001-05-10
Compounds of formula (2) wherein n is 2, 3 or 4; Z is an ester group of formula R3-O-CO- wherein R3 is C¿1-6? alkyl or C2-6 alkenyl; and R?1, R2 and R5¿ are independently selected from the group consisting of hydrogen, halogen, hydroxy, methoxy, nitro, and trifluoromethyl; R4 is hydrogen or C¿1-6? alkyl; in the form of the free base or an acid addition salt thereof are useful as GAT-3/4 type GABA uptake inhibitors, primarily to treat pain.