A cationic lipid compound, a preparation method and a use thereof, and a delivery system for mRNA are provided. The cationic lipid compound has a structure represented by formula (I):

##STR00001##

In formula (I): X is O or N; n is 2-4; m is 2-4; a is 0 or 1; R.sub.1 is a chain structure comprising a tertiary amine; R.sub.2 is a linear fatty acyl group or a branched chain fatty acyl group; R.sub.3 is a branched chain fatty acyl group. The cationic lipid compound is used for preparing a delivery system for mRNA.

A cationic lipid compound, a preparation method and a use thereof, and a delivery system for mRNA are provided. The cationic lipid compound has a structure represented by formula (I):

##STR00001##

In formula (I): X is O or N; n is 2-4; m is 2-4; a is 0 or 1; R.sub.1 is a chain structure comprising a tertiary amine; R.sub.2 is a linear fatty acyl group or a branched chain fatty acyl group; R.sub.3 is a branched chain fatty acyl group. The cationic lipid compound is used for preparing a delivery system for mRNA.

A series of novel analogs of water soluble pterostilbene amino acid bearing carbonates were synthesized, which show activities in treating a non-alcoholic fatty liver disease and a nonalcoholic steatohepatitis (NASH).

The present disclosure relates generally to methods for the preparation of Compound (I-1): I-1 or a stereoisomer or mixture of stereoisomers thereof, or salt of each thereof, as well as compounds and salts which are useful in the synthesis thereof.

##STR00001##

The present disclosure relates generally to methods for the preparation of Compound (I-1): I-1 or a stereoisomer or mixture of stereoisomers thereof, or salt of each thereof, as well as compounds and salts which are useful in the synthesis thereof.

##STR00001##

The present disclosure provides compounds useful as electrolyte materials, and lithium sulfur batteries comprising the same.

The present disclosure provides compounds useful as electrolyte materials, and lithium sulfur batteries comprising the same.