Provided are a novel imidazole compound which has a high stability of the compound itself; and a novel imidazole compound which is useful as a membrane-constituting lipid of liposomes. Disclosed are a compound represented by the following General Formula (1), and a liposome containing the same compound.
In the formula, Z is an imidazolyl group which may be substituted, L1 is an alkylene group having 1 to 4 carbon atoms which may be substituted, X is an oxygen atom or a nitrogen-containing substituent, n is an integer of 2 to 4, m is an integer of 1 to 20, L2 is a divalent linking group having 1 to 6 carbon atoms, Y is a nitrogen-containing group, R1 and R2 are a hydrogen group or an alkyl group having 1 to 6 carbon atoms, R3 is a hydrogen atom or a substituent, and R4 and R5 are an alkyl group having 1 to 40 carbon atoms.
本发明提供了一种新型
咪唑化合物,该化合物本身具有高稳定性;以及一种新型
咪唑化合物,该化合物可用作脂质体的膜构成脂质。本发明公开了一种由下式(1)表示的化合物,以及一种含有该化合物的脂质体。
式中,Z 是可被取代的
咪唑基,L1 是具有 1 至 4 个碳原子的可被取代的亚烷基,X 是氧原子或含氮取代基,n 是 2 至 4 的整数,m 是 1 至 20 的整数、
L2 是具有 1 至 6 个碳原子的二价连接基团,Y 是含氮基团,R1 和 R2 是氢基或具有 1 至 6 个碳原子的烷基,R3 是氢原子或取代基,R4 和 R5 是具有 1 至 40 个碳原子的烷基。