申请人:Kuboyama Takeshi
公开号:US20130129811A1
公开(公告)日:2013-05-23
The present invention provides a cationic lipid, which allow nucleic acids to be easily introduced into cells, represented by formula (I)
(wherein:
R
1
and R
2
are, the same or different, each (Z)-pentadecenyl, (Z)-hexadecenyl or (Z)-heptadecenyl, etc,
a and b are, the same or different, each 0 to 3,
m is 1,
the dotted line is a single bond or absent,
X
1
and X
2
are hydrogen atoms, or are combined together to form a single bond or alkylene,
X
4
is absent or is alkylene, etc
X
3
is absent or is alkyl, etc,
Y is absent or anion,
L
3
is a single bond, —CO—O— or —O—CO—
R
3
is hydrogen atoms, alkyl, etc,
L
1
and L
2
are —O—, —CO—O— or —O—CO—) and the like.
本发明提供一种阳离子脂质,可以使核酸轻松地进入细胞,其化学式为(I)(其中:R1和R2相同或不同,分别为(Z)-十五碳烯基,(Z)-十六碳烯基或(Z)-十七碳烯基等;a和b相同或不同,均为0至3;m为1;虚线为单键或不存在;X1和X2为氢原子,或结合在一起形成单键或烷基;X4不存在或为烷基等;X3不存在或为烷基等;Y不存在或为阴离子;L3为单键,-CO-O-或-O-CO-;R3为氢原子,烷基等;L1和L2为-O-,-CO-O-或-O-CO-等)。