申请人:Lauffer David
公开号:US06949655B2
公开(公告)日:2005-09-27
A compound having the formula (I):
wherein:
each R
1
, R
2
, R
3
and R
4
are independently selected from (C
1
-C
10
)-straight or branched alkyl, Ar-substituted- (C
1
-C
10
)-straight or branched alkyl, (C
2
-C
10
)-straight or branched alkenyl or alkynyl, or Ar-substituted-(C
2
-C
10
)-straight or branched alkenyl or alkynyl; wherein
one to two CH
2
groups of said alkyl, alkenyl, or alkynyl chains in each of R
1
, R
2
, R
3
and R
4
are optionally and independently replaced with O, S, S(O), S(O), S(O)
2
, C(O) or N(R
5
) in a chemically stable arrangement, wherein the CH
2
group of R
1
and R
2
bound directly to said nitrogen cannot be replaced with C(O); or
R
1
and R
2
taken together form a 4 to 7 membered ring; or
R
3
and R
4
taken together form a 3 to 7 membered ring; wherein a CH
2
in either the R
1
and R
2
ring system or the R
3
and R
4
ring system is independently and optionally replaced with O, C(O), N(R
5
), S, S(O), S(O)2 in a chemically stable arrangement; or
wherein either or both of the R
1
and R
2
ring system and the R
3
and R
4
ring system is optionally fused with Ar.
These compounds are useful for treating or preventing neuronal damage, particularly damage associated with neurological diseases. These compounds are also useful for stimulating nerve growth. The invention also provides compositions comprising these compounds, and methods of utilizing those compositions for treating or preventing neuronal damage or for stimulating nerve growth.
化合物的化学式为(I),其中:
每个R1、R2、R3和R4独立地选自(C1-C10)直链或支链烷基、Ar取代的(C1-C10)直链或支链烷基、(C2-C10)直链或支链烯基或炔基,或Ar取代的(C2-C10)直链或支链烯基或炔基;其中在R1、R2、R3和R4中的烷基、烯基或炔基链中的1-2个CH2基团可以选择性地且独立地以O、S、S(O)、S(O)、S(O)2、C(O)或N(R5)在化学上稳定的排列中替代,其中直接与氮相连的R1和R2的CH2基团不能被替换为C(O);或者R1和R2共同形成4-7个成员环;或者R3和R4共同形成3-7个成员环;其中R1和R2环系或R3和R4环系中的一个CH2可以独立地且选择性地以O、C(O)、N(R5)、S、S(O)、S(O)2在化学上稳定的排列中替代;或者R1和R2环系和R3和R4环系中的任意一个或两个可以与Ar选择性地融合。
这些化合物可用于治疗或预防神经元损伤,特别是与神经系统疾病相关的损伤。这些化合物也可用于促进神经生长。本发明还提供了包含这些化合物的组合物以及利用这些组合物治疗或预防神经元损伤或促进神经生长的方法。