Compounds having the structure I:
are useful for inducing cell death (apoptosis) and in immunosuppression. In structure I,
CR
1
R
2
is selected from CHOH, C═O, CHF, CF
2
and C(CF
3
)OH;
CR
6
and CR
13
are selected from CH, COH and CF;
CR
7
R
8
, CR
9
R
10
and CR
11
R
12
are selected from CH
2
, CHOH, C═O, CHF and CF
2
; and
CR
3
R
4
R
5
is selected from CH
3
, CH
2
OH, C═O, COOH, CH
2
F, CHF
2
and CF
3
;
such that: at least one of R
1
-R
13
comprises fluorine;
no more than two of CR
3
R
4
R
5
, CR
6
, CR
7
R
8
, CR
9
R
10
, CR
11
R
12
, and CR
13
comprises fluorine or oxygen;
and, when CR
1
R
2
is CHOH, CR
3
R
4
R
5
is not CH
2
F.
具有结构I的化合物对于诱导
细胞死亡(凋亡)和免疫抑制具有用处。在结构I中,CR1R2从CHOH、C═O、CHF、
CF2和C(
CF3)OH中选择;CR6和CR13从CH、COH和CF中选择;CR7R8、CR9R10和CR11R12从
CH2、CHOH、C═O、CHF和
CF2中选择;CR3R4R5从
CH3、 OH、C═O、COOH、 F、
CHF2和 中选择;使得:R1-R13中至少有一个含
氟;CR3R4R5、CR6、CR7R8、CR9R10、CR11R12和CR13中不超过两个含
氟或氧;当CR1R2为CHOH时,CR3R4R5不是 F。