[EN] Pyridazine Derivatives Useful in Therapy<br/>[FR] DÉRIVÉS DE PYRIDAZINE UTILES EN THÉRAPIE
申请人:PFIZER LTD
公开号:WO2013061297A1
公开(公告)日:2013-05-02
The invention provides compounds of formula I, (I) wherein: R represents a cyclic group selected from phenyl, heteroaryl,heterocyclyl and C 3-6 cycloalkyl;10 wherein each cyclic group is optionally substituted with from 1 to 3 substituents selected from halo, C -6 alkyloptionally substituted with 1-3 halogen atoms, phenyl, C -6 alkoxy optionally substituted with 1-3 halogen atoms, cyano, heteroaryl 1a andheterocyclyl 1a; and wherein each cyclic group is optionally fused to a benzene ring or a 5-or 1 6-membered heteroaromaticor heterocyclic ring each containing from 1 to 3 heteroatoms (selected from N, O and S); and when the group is substituted the substitution may occur anywhere on the optionally fused ring system as a whole; and wherein heterocyclyl and heterocyclyl 1a may additionally be substituted with =O;20 X represents a bond or C -6 alkylene (which may be straight or branched); R 2 represents H or C -6 alkyl; R 3 represents H or C -6 alkyl; Y represents a bond or C -6 alkylene (which may be straight or branched, and optionally substituted with OH or CF 3 );2 R 4 represents a cyclic group selected from phenyl, heteroaryl 4,heterocyclyl 4 and C 3-6 cycloalkyl; wherein each cyclic group is optionally substituted with from 1 to 3 substituents selected from halo, C -6 alkyloptionally substituted with 1-3 halogen atoms, TET01063WO 4 phenyl,C -6 alkylsubstituted with phenyl,C -6 alkoxy optionally substituted with -3 halogen atoms, cyano, heteroaryl 4a andheterocyclyl 4a; and wherein each cyclic group is optionally fused to benzene ring or a 5-or 6-membered heteroaromaticor heterocyclic ring each containing from 1 to 3 heteroatoms (selected from N, O and S); and when the group is substituted the substitution may occur anywhere on the optionally fused ring system as a whole; and wherein heterocyclyl 4 and heterocyclyl 4a may additionally be substituted with =O; heteroaryl, heteroaryl 1a, heteroaryl 4 and heteroaryl 4a independently represent a 5-or 6-membered heteroaryl group containing from 1 to 3 heteroatoms (selected from N, O and 10 S); and heterocyclyl, heterocyclyl 1a, heterocyclyl 4 and heterocyclyl 4a independently represent a 5- or 6-membered heterocyclyl group containing from 1 to 3 heteroatoms (selected from N, O and S); and pharmaceutically acceptable salts and solvates thereof.1 The compounds are useful as pharmaceuticals, particularly in the treatment of fibrotic diseases, cancer and pain.
本发明提供了式I的化合物,其中:R表示从苯基、杂环芳基、杂环基和C3-6环烷基中选择的环状基团;其中每个环状基团可选地被从1到3个取代基所取代,所述取代基包括卤素、C-6烷基(可选地取代为1-3个卤素原子)、苯基、C-6烷氧基(可选地取代为1-3个卤素原子)、氰基、杂环芳基1a和杂环基1a;并且每个环状基团可选地融合到苯环或含有1到3个杂原子(所选的杂原子为N、O和S)的5-或16元杂芳香基或杂环基中;当基团被取代时,取代可以发生在可选融合的环系统的任何地方;并且其中,杂环基和杂环基1a可以另外被取代为=O;X表示键或C-6烷基(可以是直链或支链);R2表示H或C-6烷基;R3表示H或C-6烷基;Y表示键或C-6烷基(可以是直链或支链,并可选地被OH或CF3取代);R4表示从苯基、杂环芳基4、杂环基4和C3-6环烷基中选择的环状基团;其中每个环状基团可选地被从1到3个取代基所取代,所述取代基包括卤素、C-6烷基(可选地取代为1-3个卤素原子)、苯基、C-6烷基(可选地取代为1-3个卤素原子)、氰基、杂环芳基4a和杂环基4a;并且每个环状基团可选地融合到苯环或含有1到3个杂原子(所选的杂原子为N、O和S)的5-或6元杂芳香基或杂环基中;当基团被取代时,取代可以发生在可选融合的环系统的任何地方;并且其中,杂环基4和杂环基4a可以另外被取代为=O;杂环芳基、杂环芳基1a、杂环芳基4和杂环芳基4a独立地表示包含1到3个杂原子(所选的杂原子为N、O和S)的5-或6元杂芳香基;杂环基、杂环基1a、杂环基4和杂环基4a独立地表示包含1到3个杂原子(所选的杂原子为N、O和S)的5-或6元杂环基;以及其药学上可接受的盐和溶剂。该化合物可用作制药用途,特别是用于治疗纤维化疾病、癌症和疼痛。