[EN] PYRIDINE AMIDE DERIVATIVES AS EP4 RECEPTOR ANTAGONISTS<br/>[FR] DÉRIVÉS DE PYRIDINAMIDE EN TANT QU'ANTAGONISTES DE RÉCEPTEUR EP4
申请人:ROTTAPHARM SPA
公开号:WO2012076063A1
公开(公告)日:2012-06-14
The invention relates pyridine amide derivative of Formula (I) or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are independently hydrogen, linear o branched (C1-C3)alkyl or joined together they form a cyclopropyl ring; R is independently selected from the group consisting of halogens and trifluoromethyl and p is 1, 2 or 3; A is C or N; E is a group of formula (B) or (C), wherein B is C(O)OH, C(O)O(C1-C3)alkyl, and C is selected from the group consisting of formula (I) m is 1,2 or 3, n is 0 or 1, W is -O-, -O(C1-C3 alkyl)-; -(C1-C3 alkyl)O-; -C(O)-; -C(=N-O(C1-C3 alkyl))-; -NH- or -NH(C1-C3alkyl)-; Ar is phenyl, optionally substituted with one or more substituents selected from the group consisting of halogen, trifluoromethyl, trifluoromethoxy, methyl, -NH(C1-C3alkyl)-; -N(C1-C3alkyl)(C1-C3alkyl)-, a from 5 to 7 membered heterocyclic ring containing one nitrogen atom which is convalently bonded to Ar and optionally containing one or two heteroatoms selected from N, O and S; and a 5- or 6-membered heteroaromatic ring containing 1 to 3 heteroatoms selected from S, O e N, such heteroaromatic ring being substituted with one or two substituents selected from the group consisting of (C1-C3)alkyl, (C3-C5)cycloalkyloxy, (C1-C3)alkylcarbonyl. The compounds of the invention could be used for manufacturing a medicament for the treatment of pathologies which require the use of an antagonist of the EP4 receptor, such as the treatment of acute and chronic pain, inflammatory pain, osteoarthritis, inflammation-associated disorder as arthritis, rheumatoid artrhritis, cancer, endometriosis and migraine.
该发明涉及式(I)的吡啶酰胺衍生物或其药学上可接受的盐,其中R1和R2独立地为氢、直链或支链(C1-C3)烷基,或者它们结合在一起形成环丙基环;R独立地选自卤素和三氟甲基的群,p为1、2或3;A为C或N;E为式(B)或(C)的基团,其中B为C(O)OH、C(O)O(C1-C3)烷基,C选自式(I)的群,m为1、2或3,n为0或1,W为-O-、-O(C1-C3烷基)-、-(C1-C3烷基)O-、-C(O)-、-C(=N-O(C1-C3烷基))-、-NH-或-NH(C1-C3烷基)-;Ar为苯基,可选择地取代一个或多个取代基,选自卤素、三氟甲基、三氟甲氧基、甲基、-NH(C1-C3烷基)-、-N(C1-C3烷基)(C1-C3烷基)-,a为含有一个氮原子的5至7元杂环环,与Ar共价键合,可选择地含有一个或两个来自N、O和S的杂原子;以及含有1至3个来自S、O和N的杂原子的5-或6元杂芳环,该杂芳环被选自(C1-C3)烷基、(C3-C5)环烷氧基、(C1-C3)烷基羰基的一或两个取代基取代。该发明的化合物可用于制造用于治疗需要使用EP4受体拮抗剂的病理的药物,例如治疗急性和慢性疼痛、炎症性疼痛、骨关节炎、关节炎、类风湿性关节炎、癌症、子宫内膜异位症和偏头痛。