The disclosure relates to novel lipidic compounds, lipid nanoparticles (LNPs) containing thereof, and the use of the lipidic compounds or the LNPs for the delivery of nucleic acid. The lipidic compounds as disclosed herein comprise at least one terminal radical of formula (I): *-NH-CX-(NH)n-A (I) wherein: - *- represents a single bond linking said radical of formula (I), directly or not, to to one C10 to C55 lipophilic or hydrophobic tail-group; - n is 0 or 1; - X is an oxygen or sulfur atom, and - A represents an optionally substituted 5- or 6-membered unsaturated heterocyclic radical or 5- or 6-membered heteroaromatic ring radical, both containing at least one nitrogen atom; or one of the pharmaceutically acceptable salts of said radical of formula (I); and with said compound that is in all the possible racemic, enantiomeric and diastereoisomeric isomer forms.
该披露涉及新型脂质化合物,含有该脂质化合物的脂质纳米颗粒(LNPs),以及利用该脂质化合物或LNPs用于传递核酸。所述的脂质化合物至少包括一个式(I)的末端基团:*-NH-CX-(NH)n-A(I)其中:- *-代表连接所述式(I)的基团的单键,直接或间接地,连接到一个C10至C55的亲脂性或疏
水性尾基团;- n为0或1;- X为氧或
硫原子,- A代表一个可选择地取代的含有至少一个氮原子的5-或6-成员不饱和杂环基团或5-或6-成员杂芳环基团;或所述的式(I)基团的药学上可接受的盐之一;以及与所述化合物一起,以所有可能的外消旋、对映异构体和顺反异构体形式存在。