申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US07915263B2
公开(公告)日:2011-03-29
The present invention relates to a compound of formula I:
wherein: R1 is a hydrogen atom, F, CN, etc.; R1′ is a hydrogen atom or lower alkyl which may be substituted; R2 is O, S, SO, SO2, etc.; R3 is a phenyl which may be substituted; X1, X2, and X3 each independently CH, N, etc. provided, however, that among X1, X2 and X3, the number of nitrogen is 0 or 1; W is the following residue:
wherein: W1, W2, and W3 each independently CH, N, etc.,
or a pharmaceutically acceptable salt or ester thereof.
本发明涉及一种式I化合物,其中:R1是氢原子,F,CN等;R1'是氢原子或可被取代的低碳基;R2是O,S,SO,SO2等;R3是可被取代的苯基;X1,X2和X3每个独立地是CH,N等,但其中X1,X2和X3中的氮原子数为0或1;W是以下残基:其中:W1,W2和W3每个独立地是CH,N等,或其药学上可接受的盐或酯。