申请人:Nitto Denko Corporation
公开号:US20140294934A1
公开(公告)日:2014-10-02
Here described are compounds of formula I:
wherein R
1
and R
2
is independently selected from a group consisting of C
10
to C
18
alkyl, C
12
to C
18
alkenyl, and oleyl group; wherein R
3
and R
4
are independently selected from a group consisting of C
1
to C
6
alkyl, and C
2
to C
6
alkanol; wherein X is selected from a group consisting of —CH
2
—, —S—, and —O— or absent; wherein Y is selected from —(CH
2
)
n
, —S(CH
2
)
n
, —O(CH
2
)
n
—, thiophene, —SO
2
(CH
2
)
n
—, and ester, wherein n=1-4; wherein a=1-4; wherein b=1-4; wherein c=1-4; and wherein Z is a counterion; as well as compositions and pharmaceutical formulations including compounds of formula I which are useful for the delivery of therapeutic agents; and methods of using these compositions and formulations.
这里描述的是I式化合物,其中R1和R2独立地选自由C10到C18烷基、C12到C18烯基和油酰基组成的一组;R3和R4独立地选自由C1到C6烷基和C2到C6醇基组成的一组;X选自由—CH2—、—S—和—O—或不存在的一组;Y选自由—(CH2)n、—S(CH2)n、—O(CH2)n—、噻吩、—SO2(CH2)n—和酯组成的一组,其中n=1-4;a=1-4;b=1-4;c=1-4;Z是一个计数离子;以及包括I式化合物的组合物和制药配方,这些化合物对于传递治疗剂是有用的;以及使用这些组合物和配方的方法。