申请人:Gobbi Luca
公开号:US20080221166A1
公开(公告)日:2008-09-11
The present invention relates to compounds of formula I
wherein Ar
1
, Ar
2
, Ar
3
, n, and
R
1
to R
8
are as defined herein and to pharmaceutically suitable acid addition salts, optically pure enantiomers, racemates or diastereomeric mixtures thereof. These compounds are orexin receptor antagonists and may be useful in the treatment of disorders, in which orexin pathways are involved, like sleep disorders.
本发明涉及具有以下结构的化合物(I)其中Ar1,Ar2,Ar3,n和R1至R8的定义如本文所述,并且涉及其药用适宜的酸加盐、光学纯对映体、混合物或二对映异构体。这些化合物是促进睡眠的受体拮抗剂,可能在涉及促进睡眠途径的疾病治疗中有用,如睡眠障碍。