Oxadiazole Derivatives with Crth2 Receptor Activity
申请人:Receveur Jean-Marie
公开号:US20080312220A1
公开(公告)日:2008-12-18
Compounds of formula are CRTH2 ligands, useful for treatment of inflammatory, autoimmune, respiratory or allergy disease: wherein R
1
is hydrogen or methyl and R
2
is optionally substituted cycloalkyl, or optionally substituted non-aromatic heterocyclyl having to 6 ring atoms; or R
1
and R
2
, taken together with the carbon atom to which they are attached form an optionally substituted cycloalkyl, or optionally substituted non-aromatic heterocyclyl having 4 to 6 ring atoms: or R
1
and R
2
, taken together with the carbon atom to which they are attached form an optionally substituted cycloalkyl, or optionally substituted cycloalkyl, or optionally substituted non-aromatic heterocyclyl ring having 4 to 6 ring atoms; R is hydrogen or an optional substitutent by 1, 2 or 3 optional substituents; A is hydrogen or C
1
-C
3
alkyl; and ring Ar is an optionally substituted phenyl or 5- or 6-membered monocyclic heteroaryl ring.