Novel compounds of the formula I are described:
wherein:
R
1
=(CH
2
)
m
CH
3
where m is 0 or an integer in the range from 1 to 16, or an alkenyl, alkynyl, alkoxy, alkylthio, or alkyl sulfinyl group having from 2 to 17 carbon atoms,
R
2
=H, CH
3
or CH
2
CH
3
R
3
=H or CH
3
R
4
=H or CH
3
R
5
=lower alkyl having from 1 to 5 carbon atoms n is an integer in the range from 1 to 3,
and X is carboxyl (COOH) or carbalkoxy (COOR
5
), cyano (C≡N), phosphonic acid (PO
3
H
2
), phosphonate ester (PO
3
[R
5
]
2
) or 5-tetrazole, and pharmaceutically acceptable salts thereof. Preferably, the compounds are optically pure enantiomers of the R- or S-configuration in which R
3
=R
4
=R
5
=H, R
2
=CH
3
and R
1
is a saturated aliphatic chain of one to five carbon atoms. The compounds are useful as cellular rescue agents.
描述了公式I的新化合物:其中:R1=(
CH2)m ,其中m为0或在1到16范围内的整数,或者为具有2到17个
碳原子的
烯基、炔基、烷
氧基、烷基
硫醚或烷基
亚砜基团,R2=H、
CH3或 ,R3=H或 ,R4=H或 ,R5=具有1到5个
碳原子的低
碳基,n为1到3范围内的整数,X为羧基(COOH)或羧酰
氧基(COOR5)、
氰基(C≡N)、
膦酸(PO3H2)、
膦酸酯(PO3[R5]2)或5-
四唑,并且其药学上可接受的盐。优选,这些化合物是R-或S-构型的光学纯对映体,其中R3=R4=R5=H,R2= ,R1是由一到五个
碳原子组成的饱和
脂肪链。这些化合物可用作细胞救助剂。