[EN] CYCLIC PEPTIDES AS C5 A RECEPTOR ANTAGONISTS<br/>[FR] PEPTIDES CYCLIQUES EN TANT QU'ANTAGONISTES DU RÉCEPTEUR C5
申请人:PFIZER
公开号:WO2018020358A1
公开(公告)日:2018-02-01
The invention relates to cyclic peptide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to cyclic peptide C5a receptor antagonists of formula (Ia)or formula (Ib), or pharmaceutically acceptable salts thereof,wherein R1a, R1b, R2, R3 and R4 areas defined in the description. C5a receptor antagonists are potentially useful in the treatment of a wide range of 1 disorders,including inflammatory disorders and immune disorders.
这项发明涉及环肽衍生物,它们在医学中的应用,含有它们的组合物,其制备方法以及用于这些方法的中间体。更具体地,该发明涉及公式(Ia)或公式(Ib)的环肽C5a受体拮抗剂,或其药用盐,其中R1a、R1b、R2、R3和R4在描述中有定义。C5a受体拮抗剂潜在地在治疗广泛的疾病中有用,包括炎症性疾病和免疫性疾病。