申请人:Niitsu Yoshiro
公开号:US20130022665A1
公开(公告)日:2013-01-24
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.
本文描述了式I的化合物:其中R1和R2分别选自由C10到C18烷基,C12到C18烯基和油酰基组成的一组;其中R3和R4分别选自由C1到C6烷基和C2到C6烷醇组成的一组;其中X选自由—CH2—,—S—和—O—或不存在的一组;其中Y选自由—(CH2)n—S(CH2)n,—O(CH2)n—,噻吩,—SO2(CH2)n—和酯的一组,其中n=1-4;其中a=1-4;其中b=1-4;其中c=1-4;其中Z是一个带电离子;以及包括式I化合物的组合物和药物制剂,用于传递治疗剂;以及使用这些组合物和制剂的方法。