SUBSTITUTED OXADIAZOLE COMPOUNDS AND THEIR USE AS OPIOID RECEPTOR LIGANDS
申请人:MERLA Beatrix
公开号:US20090005427A1
公开(公告)日:2009-01-01
Substituted oxadiazole compounds corresponding to formula I:
in which X denotes CH, CH
2
, CH═CH, CH
2
CH
2
, CH
2
CH═CH or CH
2
CH
2
CH
2
; R
1
denotes aryl or heteroaryl, in each case unsubstituted or mono- or polysubstituted; or a C
1-3
alkyl group-linked aryl or heteroaryl group, in each case unsubstituted or mono- or polysubstituted; R
2
denotes aryl or heteroaryl, in each case unsubstituted or mono- or polysubstituted; a C
1-3
alkyl chain-attached aryl group, in each case unsubstituted or mono- or polysubstituted; and R
3
and R
4
independently denote H; C
1-6
alkyl, in each case saturated or unsaturated, branched or unbranched, wherein R
3
and R
4
do not simultaneously mean H; or R
3
and R
4
together denote CH
2
CH
2
OCH
2
CH
2
, or (CH
2
)
3-6
. The compounds have an affinity for the μ-opioid receptor and may take the form of the racemate; enantiomers, diastereomers, mixtures of enantiomers or diastereomers, an individual enantiomer or diastereomer, a free base, or a salt with a physiologically acceptable acid.
Novel cyclohexylmethyl compounds corresponding to formula I
wherein R
1
, R
2
, R
3
, R
4
and R
5
, have the meanings given in the description. Pharmaceutical formulations containing these compounds, as well as a processes for preparing these compounds and related methods of treatment are also provided.