[EN] IMIDAZO[1,2-B]PYRIDAZIN-6-AMINE DERIVATIVES AS KINASE JAK-2 INHIBITORS<br/>[FR] DÉRIVÉS D'IMIDAZO[1,2-B]PYRIDAZIN-6-AMINE UTILISABLES EN TANT QU'INHIBITEURS DE LA KINASE JAK2
申请人:CELON PHARMA SA
公开号:WO2014020531A1
公开(公告)日:2014-02-06
A compound represented by the general formula (I) wherein R1represents H or C1-C4 alkyl; R2 represents phenyl substituted with one or two substituents selected from the group consisting of halogen atom and OC1-C4 alkyl;R3 represents phenyl or 5 to 10-membered monocyclic or bicyclic heteroaryl having from 1 to 4 ring heteroatoms selected from the group consisting of N, S, and O, which can be unsubstituted or substituted with a substituent selected from halogen atom, C1-C4-alkyl, and -C(O)O-C1-C4 -alkyl; and X represents –CH2-group or carbonyl-C(O)-group;and their acid addition salts;with the exclusion of 3-(4-chloro-2-fluorobenzyl)-2-methyl-N-(5-methyl-1H-pyrazol-3-yl)-8-(morpholinomethyl)-imidazo[1,2-b]pyridazine-6-amine and its salts. The compounds are JAK2 inhibitors and are useful as medicaments, especially for treating proliferative disorders and cancer diseases
通用式(I)所代表的化合物,其中R1代表H或C1-C4烷基;R2代表苯基,其上取代基可为卤原子和OC1-C4烷基中选择的一个或两个取代基;R3代表苯基或含有1至4个来自N、S和O的环异原子的5至10元杂环或双环杂环,可以未取代或取代为卤原子、C1-C4-烷基和-C(O)O-C1-C4-烷基中选择的取代基;X代表-CH2-基团或羰基-C(O)-基团;以及它们的酸盐;不包括3-(4-氯-2-氟苄基)-2-甲基-N-(5-甲基-1H-吡唑-3-基)-8-(吗啉甲基)-咪唑并[1,2-b]吡啶并[1,2-b]吡啶-6-胺及其盐。这些化合物是JAK2抑制剂,可用作药物,特别用于治疗增殖性疾病和癌症。