申请人:Riker Laboratories, Inc.
公开号:US04013692A1
公开(公告)日:1977-03-22
Benzofurans and 2,3-dihydrobenzofurans optionally substituted at the 2 position by halogen or lower alkyl, substituted at the 3 position by optionally substituted phenyl, substituted on the benzo ring by a lower alkanoic acid group or a salt, ester or amide thereof, optionally substituted on the carbon of said lower alkanoic group bonded to the benzo ring, and optionally substituted on the benzo ring, are active anti-inflammatory, anti-pyretic and analgesic agents or are intermediates in the preparation of such agents.
若在2位置被卤素或较低的烷基取代的苯并呋喃和2,3-二氢苯并呋喃,若在3位置被可选择取代的苯基取代,若在苯环上被较低的烷酸基或其盐、酯或酰胺取代,若在与苯环相结合的所述较低烷酸基的碳上被可选择取代,若在苯环上被可选择取代,那么它们是活性的抗炎、解热和镇痛药物,或者是制备这类药物的中间体。