申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05994378A1
公开(公告)日:1999-11-30
This invention relates to novel thiazolylbenzofuran derivatives of formula (I) wherein R.sup.1 is lower alkyl, L is single bond or lower alkylene optionally substituted with aryl, oxo or hydroxy, and Q is a heterocyclic group optionally substituted with one or more suitable substituent(s); or lower alkoxy substituted with aryl which is substituted with one or more suitable substituent(s) and at least one of which is lower alkoxy optionally substituted with cyano, protected carboxy, carboxy, lower alkylene, a heterocyclic group optionally substituted with oxo, or amidino optionally substituted with hydroxy or lower alkoxy, or its salt, which possess activities as leukotriene and SRS-A antagonists or inhibitors.
本发明涉及新颖的噻唑基苯并呋喃衍生物,其具有公式(I),其中R1是低级烷基,L是单键或可被芳基、氧基或羟基取代的低级亚烷基,Q是可被一个或多个适当取代基取代的杂环基;或者是被芳基取代的低级烷氧基,该芳基被一个或多个适当取代基取代,并且至少一个是可被氰基、受保护的羧基、羧基、低级亚烷基、可被氧基取代的杂环基或可被羟基或低级烷氧基取代的胍基取代的低级烷氧基,或其盐,其具有作为白三烯和SRS-A拮抗剂或抑制剂的作用。