[EN] NOVEL TYPES OF C-3 SUBSTITUTED KINURENIC ACID DERIVATIVES WITH IMPROVED NEUROPROTECTIVE ACTIVITY<br/>[FR] NOUVEAUX TYPES DE DÉRIVÉS D'ACIDE KYNURÉNIQUE SUBSTITUÉS EN C-3 AYANT UNE ACTIVITÉ NEUROPROTECTRICE AMÉLIORÉE
申请人:SZEGEDI TUDOMÁNYEGYETEM
公开号:WO2017149333A1
公开(公告)日:2017-09-08
The invention relates to C-3 substituted kynurenic acid derivatives with the general formula (I) wherein R1 is C1-7alkyl-, R6R7N-C1-7alkyl-, C6-10aryl-C1-7alkyl group; R2 is H or C1-7alkyl group; or R1 and R2 with the nitrogen atom to which they are attached form a saturated or partially saturated 5-7 membered, optionally benzofused heterocyclic ring, optionally comprising additional N, O, S heteroatoms and optionally being substituted; R3 is -OH, C1-7alkyl-O-, -NH2, C1-7alkyl-NH-, C6-10aryl-C1-7alkyl-NH- or -NH- -(CH2)n-NR8R9 group wherein n is an integer from 1 to 3; R4 is H, C1-7alkyl-, C6-10aryl group or a halogen atom; R5 is H or C6-10aryl group; R6 is C1-7alkyl group; R7 is C1-7alkyl group; or R6 and R7 with the nitrogen atom to which they are attached form a saturated or partially saturated 5-7 membered, optionally benzofused heterocyclic ring, optionally comprising additional N, O, S heteroatoms and optionally being substituted; R8 is C1-7alkyl group; R9 is C1-7alkyl group; R8 and R9 with the nitrogen atom to which they are attached form a saturated or partially saturated 5-7 membered, optionally benzofused heterocyclic ring, optionally comprising additional N, O, S heteroatoms and optionally being substituted; and stereoisomers, tautomers and salts thereof. The invention relates to the pharmaceutical preparations comprising the compounds and stereoisomers, tautomers and pharmaceutically acceptable salts. The compounds of the invention have neuroprotective activity, may be used for the prevention and treatment of neurodegeneration, and for slowing down the development of the conditions and diseases associated with a decline in cognitive abilities.
该发明涉及具有一般式(I)的C-3取代基的酮尿酸衍生物,其中R1为C1-7烷基,R6R7N-C1-7烷基,C6-10芳基-C1-7烷基基团;R2为H或C1-7烷基基团;或R1和R2与它们连接的氮原子形成饱和或部分饱和的5-7元环,可选地苯并杂环,可含有额外的N、O、S杂原子,可选地被取代;R3为-OH,C1-7烷氧基,-NH2,C1-7烷基-NH-,C6-10芳基-C1-7烷基-NH-或-NH-(CH2)n-NR8R9基团,其中n为1至3的整数;R4为H,C1-7烷基,C6-10芳基或卤原子;R5为H或C6-10芳基;R6为C1-7烷基;R7为C1-7烷基;或R6和R7与它们连接的氮原子形成饱和或部分饱和的5-7元环,可选地苯并杂环,可含有额外的N、O、S杂原子,可选地被取代;R8为C1-7烷基;R9为C1-7烷基;R8和R9与它们连接的氮原子形成饱和或部分饱和的5-7元环,可选地苯并杂环,可含有额外的N、O、S杂原子,可选地被取代;以及它们的立体异构体、互变异构体和盐。该发明涉及包含这些化合物及其立体异构体、互变异构体和药用可接受盐的药物制剂。该发明的化合物具有神经保护活性,可用于预防和治疗神经退行性疾病,并减缓与认知能力下降相关的症状和疾病的发展。