申请人:Takeda Pharmaceutical Company Limited
公开号:US20220098142A1
公开(公告)日:2022-03-31
The present invention provides a technique capable of transferring an active ingredient, particularly, a nucleic acid, to a cell with excellent efficiency and a cationic lipid for use in this technique, etc. The cationic lipid of the present invention is a compound represented by the formula (I) or a salt thereof. n1 represents an integer of 2 to 6, n2 represents an integer of 0 to 2, n3 represents an integer of 0 to 2, L represents —C(O)O— or —NHC(O)O—, Ra represents a linear C
5-13
alkyl group, a linear C
13-17
alkenyl group or a linear C
17
alkadienyl group, Rb represents a linear C
2-9
alkyl group, Rc represents a hydrogen atom or a linear C
2-9
alkyl group, Rd represents a hydrogen atom or a linear C
2-9
alkyl group, Re represents a linear C
2-9
alkyl group, and Rf represents a linear C
2-9
alkyl group.
本发明提供了一种技术,能够以优异的效率将活性成分,特别是核酸,转移至细胞,并提供了用于该技术的阳离子脂质等。本发明的阳离子脂质是由式(I)所表示的化合物或其盐。其中,n1代表2到6的整数,n2代表0到2的整数,n3代表0到2的整数,L代表—C(O)O—或—NHC(O)O—,Ra代表线性的C5-13烷基、线性的C13-17烯基或线性的C17烷二烯基,Rb代表线性的C2-9烷基,Rc代表氢原子或线性的C2-9烷基,Rd代表氢原子或线性的C2-9烷基,Re代表线性的C2-9烷基,Rf代表线性的C2-9烷基。