New pyridazine derivatives were prepared, and their abilities to inhibit IL-1 beta production were evaluated. Some compounds showed potent inhibitory activity against IL-1 beta production in HL-60 cells stimulated with lipopolysaccharide (LPS). The synthesis and structure-activity relationships of these compounds are described. (C) 2001 Elsevier Science Ltd. All rights reserved.
US6664256B1
申请人:——
公开号:US6664256B1
公开(公告)日:2003-12-16
Phenylpyridazine compounds and medicines containing the same
申请人:Kowa Co., Ltd.
公开号:US06664256B1
公开(公告)日:2003-12-16
Phenylpyridazine compounds represented by the following formula (I):
are provided, wherein R1, R2, R3, R4, and n are as defined herein having excellent inhibitory activity against interleukin-1&bgr; production, and useful in the treatment of prevention of diseases caused by stimulation of interleukin-1&bgr; production, such as immune system diseases, inflammatory diseases, and ischemic diseases.