Compounds represented by the formula:
1
wherein R
1
and R
2
are hydrogen atom, a hydrocarbon group or a heterocyclic group, or R
1
and R
2
may form, together with the adjacent carbon atom, a 3- to 8-membered homocyclic or heterocyclic ring,
W indicates
(i) a group represented by the formula:
2
wherein ring B indicates a 5- to 7-membered ring, or
(ii) a group represented by the formula:
3
wherein R
4
indicates (1) an aliphatic hydrocarbon group, which may be substituted with an aromatic group, or (2) an acyl group containing an aromatic group, R
5
is hydrogen atom, a C
1-6
alkyl, or an acyl group, provided that, when W is Wa, R
3
is hydrogen atom, a hydrocarbon group or a heterocyclic group, when W is Wb, R
3
indicates a C
6-14
aryl group, or salts thereof or prodrugs thereof have an excellent action to inhibit neurodegeneration and the like as well as an excellent brain penetrability and are low in the toxicity, thereby being useful as prophylactic or therapeutic drugs for nerve degenerative diseases and the like.
由以下公式代表的化合物:
其中 R1 和 R2 是氢原子、烃基或杂环基,或者 R1 和 R2 可以与相邻的碳原子一起形成 3 至 8 个成员的同环或杂环环,W 表示
(i) 由以下公式代表的基团:
其中环 B 表示一个 5 至 7 个成员的环,或者
(ii) 由以下公式代表的基团:
其中 R4 表示 (1) 可以用芳香基取代的脂肪烃基,或者 (2) 含有芳香基的酰基,R5 是氢原子、C1-6 烷基或酰基,提供当 W 是 Wa 时,R3 是氢原子、烃基或杂环基,当 W 是 Wb 时,R3 表示一个 C6-14 芳基,或其盐或前药具有优异的抑制神经退行性等作用,以及出色的脑透过性,毒性低,因此可用作预防或治疗神经退行性疾病等的药物。
Promoters for the proliferation and differentiation of stem cells and/or neuron precursor cells
申请人:——
公开号:US20040034049A1
公开(公告)日:2004-02-19
An agent for promoting the proliferation or differentiation of a stem cell and/or neural progenitor cell, comprising a compound represented by Formula:
1
wherein each of R
1
and R
2
is H, a hydrocarbon group or a heterocyclic group, or taken together with the adjacent carbon atom to form a ring, R
3
is H, a hydrocarbon group or a heterocyclic group, W is a group represented by Formula:
2
wherein Ring A is an optionally substituted benzene ring, Ring B is an optionally substituted 5- to 7-membered nitrogen-containing heterocyclic ring, R
4
is an acyl group having an aliphatic hydrocarbon group, which is substituted by an aromatic group and may have a further substitutent, or aromatic group, R
5
is H, C
1-6
alkyl or acyl, R
4c
is an aromatic group, an aliphatic hydrocarbon group or acyl, and
X is O or S;
Y is O, S or NH, Ring C is an optionally substituted benzene ring, or a salt or prodrug thereof is provided.
A cannabinoid receptor modulator containing a compound represented by Formula (I
0
)
wherein, X is an oxygen atom, etc., R
0
is an optionally substituted acylamino group, ring A
0
is a benzene ring which may further have a substituent in addition to R
0
, and ring B is an optionally substituted 5-membered heterocycle, or a salt thereof or a prodrug thereof.
Agents for promoting the proliferation or differentiation of stem cells or neural progenitor cells
申请人:Okawa Shigenori
公开号:US20090012081A1
公开(公告)日:2009-01-08
An agent for promoting the proliferation or differentiation of a stem cell and/or neural progenitor cell, comprising a compound represented by Formula:
wherein each of R
1
and R
2
is H, a hydrocarbon group or a heterocyclic group, or taken together with the adjacent carbon atom to form a ring, R
3
is H, a hydrocarbon group or a heterocyclic group, W is a group represented by Formula:
wherein Ring A is an optionally substituted benzene ring, Ring B is an optionally substituted 5- to 7-membered nitrogen-containing heterocyclic ring, R
4
is an acyl group having an aliphatic hydrocarbon group, which is substituted by an aromatic group and may have a further substitutent, or aromatic group, R
5
is H, C
1-6
alkyl or acyl, R
4c
is an aromatic group, an aliphatic hydrocarbon group or acyl, and
X is O or S;
Y is O, S or NH, Ring C is an optionally substituted benzene ring, or a salt or prodrug thereof is provided.