申请人:Donald Alastair David Graham
公开号:US20140155439A1
公开(公告)日:2014-06-05
Compounds of formula (I), inhibit HDAC activity: wherein A, B and D independently represent ═CH— or ═N—; W is —CH═CH— Or —CH
2
CH
2
—; R
1
is a carboxylic acid group (—COOH), or an ester group which is hydrolysable by one or more intracellular carboxylesterase enzymes to a carboxylic acid group; R
2
and R
3
are selected from the side chains of a natural or non-natural alpha amino acid, provided that neither R
2
nor R
3
is hydrogen, or R
2
and R
3
, taken together with the carbon to which they are attached, form a 3-6 membered saturated cycloalkyl or heterocyclyl ring; Y is a bond, —C(C═O)—, —S(═O)
2
—, —C(C═O)O—, —C(C═O)NR′—, —C(═S)—NR′, —C(═NH)NR′ or —S(═O)
2
NR— wherein R′ is hydrogen or optionally substituted C
1
-C
6
alkyl; L
1
is a divalent radical of formula -(Alk
1
)
m
(Q)(Alk
2
)
p
— wherein in, n, p, Q, AIk
1
and AIk
2
are as defined in the claims; X
1
represents a bond; —C(═O); or —S(═O)
2
—; —NR
4
C(═O)—, —C(C═O)NR
4
—, —NR
4
C(═O)NR
5
—, —NR
4
S(═O)
2
—, or —S(═O)
2
NR
4
— wherein R
4
and R
5
are independently hydrogen or optionally substituted C
1
-C
6
alkyl; and z is 0 or 1.
式(I)的化合物抑制H
DAC活性,其中A、B和D分别表示═CH—或═N—;W是—CH═CH—或—CH2CH2—;R1是
羧酸基(—COOH)或可由一个或多个细胞内羧
酯酶水解为
羧酸基的酯基;R2和R3选自天然或非天然
α-氨基酸的侧链,但R2和R3均不为氢,或R2和R3连同它们所连接的碳形成3-6成员的饱和环烷基或杂环烷基;Y是一键,—C(C═O)—、—S(═O)2—、—C(C═O)O—、—C(C═O)NR′—、—C(═S)—NR′、—C(═NH)NR′或—S(═O)2NR—,其中R′是氢或可选地取代的C1-C6烷基;L1是式-(Alk1)m(Q)(Alk2)p—的二价基团,其中n、m、p、Q、Alk1和Alk2如权利要求中所定义;X1表示一键;—C(═O);或—S(═O)2—;—NR4C(═O)—、—C(C═O)NR4—、—NR4C(═O)NR5—、—NR4S(═O)2—或—S(═O)2NR4—,其中R4和R5独立地为氢或可选地取代的C1-C6烷基;z为0或1。