申请人:Daiichi Sankyo Company, Limited
公开号:EP1961750A1
公开(公告)日:2008-08-27
There is provided a VLA-4 inhibitory drug having good oral absorbability and exhibiting sufficient anti-inflammatory effects when administered orally.
A compound represented by the following formula (I):
wherein R1 represents a hydrogen atom or a C1-8 alkyl group; R2 represents a hydrogen atom, a halogen atom, a C1-8 alkoxy group, orabenzyloxygroupwhichmaybe substituted; Q represents a monocyclic or bicyclic nitrogen-containing heterocyclic group which may be substituted, and has a nitrogen atom as the bonding site; Y represents an oxygen atom or CH2; W represents a bicyclic aromatic hydrocarbon ring group which may be substituted, or a bicyclic aromatic heterocyclic group whichmaybe substituted; R3a, R3b and R3c each independently represent a hydrogen atom, a halogen atom, a C1-8 alkoxy group or a C1-8 alkyl group; and A1 represents a nitrogen atom or C-R3d (wherein R3d represents a hydrogen atom, a halogen atom, a C1-8 alkoxy group or a C1-8 alkyl group),
or a salt thereof, or a VLA-4 inhibitory drug comprising the compound or the salt as an active ingredient.
本发明提供了一种 VLA-4 抑制药物,该药物具有良好的口服吸收性,口服后可发挥充分的抗炎作用。
由下式(I)代表的化合物:
W代表可被取代的双环芳香烃环基,或可被取代的双环芳香杂环基;R3a、R3b 和 R3c 各自独立地代表氢原子、卤素原子、C1-8 烷氧基或 C1-8 烷基;以及 A1 代表氮原子或 C-R3d(其中 R3d 代表氢原子、卤素原子、C1-8 烷氧基或 C1-8 烷基)、
或其盐,或包含该化合物或其盐作为活性成分的 VLA-4 抑制药物。