申请人:Nitto Denko Corporation
公开号:US20160137593A1
公开(公告)日:2016-05-19
Here described are compounds of formula I:
wherein R
1
and R
2
are independently selected from C
10
to C
18
alkyl, C
12
to C
18
alkenyl, and oleoyl; R
3
and R
4
are independently selected from C
1
to C
6
alkyl and C
2
to C
6
alkanol; X is selected from —CH
2
—, —S—, and —O—, or X is absent; Y is selected from —(CH
2
)
n
, —S(CH
2
)
n
—, —O(CH
2
)
n
—, -thiophene-, —SO
2
(CH
2
)
n
—, and ester; n=1-4; a=1-4; b=1-4; c=1-4; and Z
−
is a counterion. Also described herein are 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.
本文描述了公式I的化合物:其中R1和R2独立选择自C10到C18烷基,C12到C18烯基和油酰基; R3和R4独立选择自C1到C6烷基和C2到C6醇基; X从—CH2—,—S—和—O—中选择,或X不存在; Y从—(CH2)n,—S(CH2)n—,—O(CH2)n—,-噻吩-,—SO2(CH2)n—和酯中选择; n=1-4; a=1-4; b=1-4; c=1-4; Z-是计数离子。本文还描述了包括公式I化合物的组合物和制药配方,这些化合物对于输送治疗剂是有用的,以及使用这些组合物和配方的方法。