申请人:Sklarz Benjamin
公开号:US20070021450A1
公开(公告)日:2007-01-25
Disclosed are compounds having the structure:
wherein,
R
1
is H, NH
2
, NH—(C
1
-C
4
)alkyl, or N—[(C
1
-C
4
)alkyl]
2
;
R
2
and R
3
are each independently H, (C
1
-C
4
)alkyl, or
wherein R
4
is H, (C
1
-C
4
)alkyl, halogen, hydroxy, (C
1
-C
10
)alkoxy, cyano, nitro, —NR
5
R
6
, or —OCONR
7
R
8
;
wherein R
5
and R
6
are each independently H, or a substituted or unsubstituted (C
1
-C
4
)alkyl; and
wherein R
7
and R
8
are each independently H, or substituted or unsubstituted (C
1
-C
4
)alkyl, or (C
1
-C
10
)aryl; and
wherein only one of R
2
and R
3
is H,
enantiomers, tautomers, and pharmaceutically acceptable salts of the compounds, pharmaceutical compositions containing such compounds or salts, and processes for their preparation. The subject invention also provides methods of alleviating symptoms of neurologic and inflammatory disorders, methods of preventing oxidation of lipids, proteins, or deoxyribonucleic acids on a cellular level, and methods of protecting human red blood cells from lysis by O
2
radicals.
本发明涉及具有以下结构的化合物:其中,R1为H,NH2,NH-(C1-C4)烷基或N-[(C1-C4)烷基]2;R2和R3各自独立地为H,(C1-C4)烷基或其中R4为H,(C1-C4)烷基,卤素,羟基,(C1-C10)烷氧基,氰基,硝基,-NR5R6或-OCONR7R8;其中R5和R6各自独立地为H或取代或未取代的(C1-C4)烷基;而R7和R8各自独立地为H或取代或未取代的(C1-C4)烷基或(C1-C10)芳基;其中仅有R2和R3中的一个为H。本发明还涉及这些化合物的对映体、互变异构体和药学上可接受的盐,含有这些化合物或盐的制药组合物以及其制备方法。本发明还提供了缓解神经和炎症性疾病症状的方法,防止脂质、蛋白质或脱氧核糖核酸在细胞水平上被氧化的方法,以及保护人类红细胞免受O2自由基溶解的方法。