申请人:Mercola Mark
公开号:US20100159596A1
公开(公告)日:2010-06-24
Methods and small molecule compounds for stem cell differentiation are provided. One example of a class of compounds that may be used is represented by the compound having the structure IA or IB in the form of free base or a pharmaceutically acceptable salt, hydrate, solvate or N-oxide thereof:
R
1
is independently hydrogen or (C
1
-C
6
)alkyl; R
2
is independently hydrogen, (C
1
-C
6
)alkyl, aryl, or heteroaryl; R
2′
is independently hydrogen, (C
1
-C
6
)alkyl, CF
3
or C
2
F
5
; R
3
is independently (C
1
-C
6
)alkyl, aryl, 2-tetrahydrofurylmethyl, an aliphatic tertiary amine, or 4-methoxybenzyl; or R
2
and R
3
may be joined together to form a 5 or 6 member ring lactone; R
4
is independently hydrogen, (C
1
-C
6
)alkyl, a 2- or 4-R
5
-substituted aromatic ring selected from a 4-R
5
-phenyl or a 2-R
5
-5-pyridyl, aryl, heteroaryl, aliphatic tertiary amine or halogen; and R
5
, R
5′
, R
6
, R
6′
, R
7
, R
7′
, are each independently hydrogen, (C
1
-C
6
)alkyl, aryl, optionally substituted phenyl, heteroaryl, a heterocyclic ring, an aliphatic tertiary amine, or halogen.
提供干细胞分化的方法和小分子化合物。可以使用的一类化合物的一个示例由结构IA或IB表示,以自由碱基或其药学上可接受的盐,水合物,溶剂或N-氧化物的形式存在:R1独立地是氢或(C1-C6)烷基; R2独立地是氢,(C1-C6)烷基,芳基或杂环芳基; R2'独立地是氢,(C1-C6)烷基,CF3或C2F5; R3独立地是(C1-C6)烷基,芳基,2-四氢呋喃甲基,脂肪族三级胺或4-甲氧基苄基; 或者R2和R3可以结合形成5或6元环内酯; R4独立地是氢,(C1-C6)烷基,2-或4-R5-取代的芳环,选自4-R5-苯基或2-R5-5-吡啶基,芳基,杂环芳基,脂肪族三级胺或卤素; R5,R5',R6,R6',R7,R7'独立地是氢,(C1-C6)烷基,芳基,可选取代的苯基,杂环芳基,杂环环,脂肪族三级胺或卤素。