COMPOUNDS USEFUL FOR THE TREATMENT OF DISEASES ASSOCIATED WITH THE FORMATION OF AMYLOID FIBRILS
申请人:Saraiva Mascarenhas Maria Joao
公开号:US20070167378A1
公开(公告)日:2007-07-19
The present invention provides new amyloidogenesis inhibiting compounds of formula (I):
in which
R
1
is a —NR
a
R
b
group, where R
a
and R
b
, independently, are a hydrogen atom or a C
1
-C
6
alkyl group; —OR
c
group, where R
c
is a hydrogen atom or a C
1
-C
6
alkyl group; a glycosyl; a C
1
-C
6
polyhydroxyalkyl; or a —NH—CH(R
d
)—COOR
e
group, where R
d
is a side chain of one of the 20 natural alpha-amino acids in either of their two enantiomerically pure forms L or D, and R
e
is a hydrogen atom or a C
1
-C
6
alkyl group; and
R
2
is a hydrogen atom, a C
1
-C
6
alkyl group, a glycosyl; a C
1
-C
6
polyhydroxyalkyl; —C(═O)—R
f
group, where R
f
is a C
1
-C
6
alkyl group; or a —CH
2
—COO—R
g
group, where R
g
is a hydrogen atom or a C
1
-C
6
alkyl group; and pharmaceutically acceptable salts thereof, which are useful in the treatment of neurodegenerative diseases, among others.
本发明提供了一种新的抑制淀粉样蛋白生成的化合物,其化学式为(I):其中,R1是—NRaRb基团,其中Ra和Rb独立地是氢原子或C1-C6烷基基团;—ORc基团,其中Rc是氢原子或C1-C6烷基基团;糖基;C1-C6聚羟基烷基;或—NH—CH(Rd)—COORegroup基团,其中Rd是20种天然α-氨基酸之一的侧链,它们分别以其两个对映异构体纯形式L或D存在,而Re是氢原子或C1-C6烷基基团;而R2是氢原子,C1-C6烷基基团,糖基,C1-C6聚羟基烷基;—C(═O)—Rf基团,其中Rf是C1-C6烷基基团;或—CH2—COO—Rg基团,其中Rg是氢原子或C1-C6烷基基团;以及其药学上可接受的盐,这些化合物在神经退行性疾病的治疗中等方面有用。