Pipecolic acid derivatives of proline threonine amides useful for the treatment of rheumatoid arthritis
申请人:G.D. Searle & Co.
公开号:US20040204367A1
公开(公告)日:2004-10-14
Non-peptidic compounds characterized by containing a segment condensed from pipecolic acid, aspartic acid, proline and threonine, or derivatives thereof, are useful to treat autoimmune diseases and inflammatory conditions. Compounds of particular interest are those of the formula:
1
wherein R
1
is phenyl or cyclohexyl; wherein R
2
is hydrido or methyl; wherein R
3
is selected from hydrido, hydroxy, acetylamino, acetyl(Lys/Tyr/Thr)NH—, propionylamino and benzyloxycarbonylamino; wherein R
5
is selected from isopropyl, isobutyl, n-propyl, n-butyl, aminopropyl, aminobutyl, phenyl, benzyl, hydroxyphenyl, hydroxybenzyl, morpholinocarbonylethyl, morpholinocarbonylpropyl, piperazinocarbonylethyl, piperazinocarbonylpropyl, pyridinylcarbonylethyl, pyridinylcarbonylpropyl, oxazolylcarbonylethyl, oxazolylcarbonylpropyl, azepinylcarbonylethyl and azepinylcarbonylethyl; wherein R
6
is selected from hydrido, methyl, hydroxy, methoxy, phenyl and aminocarbonyl; wherein R
7
is carboxyl or methylthiomethyl; wherein R
9
is selected from hydrido, hydroxy, methoxy and phenyl; wherein R
12
is selected from methyl, ethyl, propyl, butyl, isobutyl, —CH(iBu)CH
2
OH and —CH(iBu)CONH
2
; or a pharmaceutically-acceptable amide, ester or salt thereof. A disease state of particular interest for use of the compounds would be rheumatoid arthritis.
含有从吡咯烷酸、天冬氨酸、脯氨酸和苏氨酸或其衍生物中凝聚的片段的非肽化合物可用于治疗自身免疫性疾病和炎症病症。特别感兴趣的化合物是以下公式的化合物:其中R1为苯基或环己基;其中R2为氢基或甲基;其中R3选自氢基、羟基、乙酰氨基、乙酰(Lys/Tyr/Thr)NH—、丙酰氨基和苄氧羰基氨基;其中R5选自异丙基、异丁基、正丙基、正丁基、氨基丙基、氨基丁基、苯基、苄基、羟基苯基、羟基苄基、吗啉基羰基乙基、吗啉基羰基丙基、哌嗪基羰基乙基、哌嗪基羰基丙基、吡啶基羰基乙基、吡啶基羰基丙基、噁唑基羰基乙基、噁唑基羰基丙基、氮杂七环基羰基乙基和氮杂七环基羰基丙基;其中R6选自氢基、甲基、羟基、甲氧基、苯基和氨基羰基;其中R7为羧基或甲硫甲基;其中R9选自氢基、羟基、甲氧基和苯基;其中R12选自甲基、乙基、丙基、丁基、异丁基、—CH(iBu)CH2OH和—CH(iBu)CONH2;或其药学上可接受的酰胺、酯或盐。这些化合物特别适用于类风湿性关节炎等疾病状态的治疗。