The present invention belongs to the technical field of gene therapy, and particularly relates to a series of lipid compounds as well as a lipid carrier, nucleic acid lipid nanoparticle composition and pharmaceutical preparation containing the same. A compound having a structure of a formula (I) provided by the present invention can be used for preparing a lipid carrier together with other lipid compounds, and exhibits pH response, and the entrapment efficiency to a nucleic acid drug is high, which greatly improves in-vivo delivery efficiency of the nucleic acid drug; and furthermore, a lipid compound with a specific structure can be chosen as a lipid carrier based on an organ in which the nucleic acid drug needs to be enriched, having a good market application prospect.

The present invention belongs to the technical field of gene therapy, and particularly relates to a series of lipid compounds as well as a lipid carrier, nucleic acid lipid nanoparticle composition and pharmaceutical preparation containing the same. A compound having a structure of a formula (I) provided by the present invention can be used for preparing a lipid carrier together with other lipid compounds, and exhibits pH response, and the entrapment efficiency to a nucleic acid drug is high, which greatly improves in-vivo delivery efficiency of the nucleic acid drug; and furthermore, a lipid compound with a specific structure can be chosen as a lipid carrier based on an organ in which the nucleic acid drug needs to be enriched, having a good market application prospect.

This invention provides a method of synthesizing new active compounds for pharmaceutical uses including cancer treatment, wherein the cancers comprise breast, leukocytic, liver, ovarian, bladder, prostatic, skin, bone, brain, leukemia, lung, colon, CNS, melanoma, renal, cervical, esophageal, testicular, splenic, kidney, lymphatic, pancreatic, stomach, eye and thyroid cancers. The active compounds are amine, sulfonamides, amide, and urea analogs of triterpene.

This invention provides a method of synthesizing new active compounds for pharmaceutical uses including cancer treatment, wherein the cancers comprise breast, leukocytic, liver, ovarian, bladder, prostatic, skin, bone, brain, leukemia, lung, colon, CNS, melanoma, renal, cervical, esophageal, testicular, splenic, kidney, lymphatic, pancreatic, stomach, eye and thyroid cancers. The active compounds are amine, sulfonamides, amide, and urea analogs of triterpene.

The invention concerns synthesized amido-amine-based cationic gemini surfactants with flexible and rigid spacers and different hydrophobic. These gemini surfactants were prepared by modified procedure through amidation of long chain carboxylic acids using 3-(dimethylamino)-1-propylamine followed by treatment with halohydrocarbons and showed excellent thermal stability and surface properties useful for various oilfield applications such as enhanced oil recovery.

The invention concerns synthesized amido-amine-based cationic gemini surfactants with flexible and rigid spacers and different hydrophobic. These gemini surfactants were prepared by modified procedure through amidation of long chain carboxylic acids using 3-(dimethylamino)-1-propylamine followed by treatment with halohydrocarbons and showed excellent thermal stability and surface properties useful for various oilfield applications such as enhanced oil recovery.

The present disclosure generally relates to compounds useful as immunomodulators. Provided herein are compounds, compositions comprising such compounds, and methods of their use. The disclosure further pertains to pharmaceutical compositions comprising at least one compound according to the disclosure that are useful for the treatment of various diseases, including cancer and infectious diseases.

The present disclosure generally relates to compounds useful as immunomodulators. Provided herein are compounds, compositions comprising such compounds, and methods of their use. The disclosure further pertains to pharmaceutical compositions comprising at least one compound according to the disclosure that are useful for the treatment of various diseases, including cancer and infectious diseases.

The disclosure features novel lipids and compositions involving the same. Nanoparticle compositions include a novel lipid as well as additional lipids such as phospholipids, structural lipids, and PEG lipids. Nanoparticle compositions further including therapeutic and/or prophylactics such as RNA are useful in the delivery of therapeutic and/or prophylactics to mammalian cells or organs to, for example, regulate polypeptide, protein, or gene expression.

The disclosure features novel lipids and compositions involving the same. Nanoparticle compositions include a novel lipid as well as additional lipids such as phospholipids, structural lipids, and PEG lipids. Nanoparticle compositions further including therapeutic and/or prophylactics such as RNA are useful in the delivery of therapeutic and/or prophylactics to mammalian cells or organs to, for example, regulate polypeptide, protein, or gene expression.