INTERMEDIATE IN PRODUCTION OF [2-(3,3,5,5-TETRAMETHYLCYCLOHEXYL)PHENYL]PIPERAZINE COMPOUND
申请人:Eisai R&D Management Co., Ltd.
公开号:EP1889827A1
公开(公告)日:2008-02-20
A compound represented by the general formula below or a salt thereof is a useful intermediate in the production of a [2-(3,3,5,5-tetramethylcyclohexyl)phenyl]piperazine compound that has excellent cell adhesion inhibitory effect and cell invasion inhibitory effect and therefore is useful as a therapeutic or prophylactic agent for various inflammatory diseases and autoimmune diseases induced by the adhesion and invasion of leukocytes, such as inflammatory bowel diseases (particularly ulcerative colitis or Crohn's disease), irritable bowel syndrome, rheumatoid arthritis, psoriasis, multiple sclerosis, asthma and atopic dermatitis.
wherein R1 and R2 independently represent hydrogen or a protecting group for an amino group, or R1 and R2 bond together to form an optionally substituted pyrrole ring.
下式通式所代表的化合物或其盐是生产[2-(3,3,5,5-四甲基环己基)苯基]哌嗪化合物的有用中间体,该化合物具有极佳的细胞粘附抑制作用和细胞侵袭抑制作用,因此可用作由白细胞粘附和侵袭诱发的各种炎症性疾病和自身免疫性疾病的治疗剂或预防剂、如炎症性肠病(特别是溃疡性结肠炎或克罗恩病)、肠易激综合征、类风湿性关节炎、银屑病、多发性硬化症、哮喘和特应性皮炎。
其中 R1 和 R2 独立地代表氢或氨基的保护基团,或 R1 和 R2 键合形成任选取代的吡咯环。