53906-49-3Relevant articles and documents
Sterol compound and its pharmaceutically acceptable salt or prodrug, and application thereof
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Paragraph 0034-0037; 0048, (2019/10/01)
The present invention discloses a sterol compound and its pharmaceutically acceptable salt or prodrug, and an application thereof in the prevention or treatment of malignant tumors associated with LXR. The compound has an inhibitory ability against various malignant tumors in in-vitro experiments, and also has an inhibitory ability against malignant tumors malignant tumors in in-vivo experiments.The sterol skeleton compound has the equivalent curative effect on the malignant tumors with cytotoxic drugs currently used for treating the tumors, and has the same therapeutic effect with positive drugs for evaluating the drug effect of the compound. The compound has the advantages of good antitumor activity, good safety, no side effects caused by the positive drugs, and facilitation of enhancement of the immune function of animals. The sterol compound has a potential to become a safe and effective broad-spectrum antitumor drug.
3beta-hydroxy-ergosta-5-ene steroid derivative and drug application thereof
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Paragraph 0033-0036, (2019/02/13)
The invention provides a structure of a 3beta-hydroxy-ergosta-5-ene steroid compound, and applications of the compound and the pharmaceutically acceptable form of chemical protection or a prodrug in the preparation of drugs capable of preventing or treating LXRbeta related metabolic syndromes. The LXRbeta related metabolic syndromes include hyperlipidemia, atherosclerosis or hypertension. Throughthe discovery of the evaluation of lipid-lowering activity in animal bodies, the compound has obvious effects on lipid lowering, so that the compound has potentials of further developing into a novellipid-lowering drug.
Novel method used for synthesizing cholesterol
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Paragraph 0019, (2017/08/29)
The invention discloses a novel method used for synthesizing cholesterol. The novel method comprises following steps: 1, stigmasterol 02 is dissolved in an organic solvent I, and is subjected to silicon etherification reaction with trimethylchlorosilane under the effect of a catalyst, and a compound 03 is obtained via water washing and condensation; 2, the compound 03 is dissolved in an organic solvent II for ozone oxidation, zinc powder and acetate acid gracial are added for reduction, after reduction, filtering, washing, and condensation are carried out so as to obtain a compound 04; 3, triphenylphosphine is reacted with 1-halogenated-3-methyl butane so as to obtain 3-methyl butyl triphenyl halogenated phosphorus, the 3-methyl butyl triphenyl halogenated phosphorus is added into an aprotic solvent, a strong base is added, wittig reaction with a compound 4 is carried out, and neutralizing, condensation, and filtering are carried out so as to obtain a compound 05; 4, the compound 05 is subjected to selective hydrogenation in a solvent III under the action of a catalyst and a passivator, and filtering, condensation, and crystallization are carried out so as to obtain cholesterol 01. The novel method is simple; raw materials are cheap; the novel method is economic and is friendly to the environment, and is convenient for industrialized production.