Inhibitors of cancer cell, T-cell and keratinocyte proliferation
摘要:
该发明涉及一般式(I)化合物及其盐和生理功能衍生物,
其中
Y为—NR
a
R
b
,—NR
c
C═ONR
a
R
b,
—NR
c
C═SNR
a
R
b
,—NR
c
C═NR
d
N
a
R
b
,杂环,—C═ONR
a
R
b
,杂环或芳基;n为0至8;m为0或1;r为0至3;t为0至3;X为O或N;
Z为CH
2
,C═O,C═S或单键;
Z
1
为CO—R
2
,CS—R
2
,(CH
2
)
t
—R
2
或天然氨基酸的侧链;,
Z
2
为CO—R
2
,CS—R
2
或(CH
2
)
t
—R
3
或天然氨基酸的侧链;
Z
3
为CO—R
2
,CS—R
2
或(CH
2
)
t
—R
4
或天然氨基酸的侧链;
Z
4
为H,烷基,烷氧基或环烷基;
R
1
,R
2
,R
3
和R
4
彼此独立地为H,OH,SH,NH
2
,CN,NO
2
,烷基,环烷基,杂环烷基,卤代烷基,烷硫基,卤代烷氧基,羟基烷基,羟基氨基,烷基氨基,烷基芳基,烷基亚砜基,烷基砜基,烷硫基烷基,烷基亚砜基烷基,烷基砜基烷基,烷氧基烷基,烷氧基,芳氧基,杂芳基,芳基或卤素。
Inhibitors of cancer cell, T-cell and keratinocyte proliferation
摘要:
该发明涉及一般式(I)化合物及其盐和生理功能衍生物,
其中
Y为—NR
a
R
b
,—NR
c
C═ONR
a
R
b,
—NR
c
C═SNR
a
R
b
,—NR
c
C═NR
d
N
a
R
b
,杂环,—C═ONR
a
R
b
,杂环或芳基;n为0至8;m为0或1;r为0至3;t为0至3;X为O或N;
Z为CH
2
,C═O,C═S或单键;
Z
1
为CO—R
2
,CS—R
2
,(CH
2
)
t
—R
2
或天然氨基酸的侧链;,
Z
2
为CO—R
2
,CS—R
2
或(CH
2
)
t
—R
3
或天然氨基酸的侧链;
Z
3
为CO—R
2
,CS—R
2
或(CH
2
)
t
—R
4
或天然氨基酸的侧链;
Z
4
为H,烷基,烷氧基或环烷基;
R
1
,R
2
,R
3
和R
4
彼此独立地为H,OH,SH,NH
2
,CN,NO
2
,烷基,环烷基,杂环烷基,卤代烷基,烷硫基,卤代烷氧基,羟基烷基,羟基氨基,烷基氨基,烷基芳基,烷基亚砜基,烷基砜基,烷硫基烷基,烷基亚砜基烷基,烷基砜基烷基,烷氧基烷基,烷氧基,芳氧基,杂芳基,芳基或卤素。
Peptide-semicarbazones derived from Z-Trp-Trp-Phe-aldehyde inhibit the chymotryptic activity of the human proteasome at nanomolar concentrations, but are less active in a NF kappa B reporter gene assay. Cyclic semicarbazones, in contrast, combine a strong inhibitory effect on the enzyme with an inhibition of NF kappa B signaling in the nanomolar range. In addition, a practical synthesis for scale-up of such compounds was developed. (c) 2008 Elsevier Ltd. All rights reserved.