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2 results about "Fluvastatin Sodium" patented technology

The sodium salt of a synthetic lipid-lowering agent with potential antineoplastic activity. Fluvastatin competitively inhibits hepatic 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, the enzyme that catalyzes the conversion of HMG-CoA to mevalonate, a key step in cholesterol synthesis. This agent lowers plasma cholesterol and lipoprotein levels, and modulates immune responses through the suppression of MHC II (major histocompatibility complex II) on interferon gamma-stimulated, antigen-presenting cells such as human vascular endothelial cells. Through the inhibition of mevalonate synthesis, statins, like fluvastatin, have been shown to inhibit the production of dolichol, geranylpyrophosphate (GPP) and farnesylpyrophosphate (FPP) and the isoprenylation of the intracellular G-proteins Ras and Rho, which may result in antiangiogenic, apoptotic, and antimetastatic effects in susceptible tumor cell populations.

A preparation method of fluvastatin sodium impurity F

The application discloses a preparation method of fluvastatin sodium impurity F, and specifically comprises the following steps: firstly, fluvastatin alcohol ketone is dissolved in an acid solvent to perform a dehydration reaction, then a reduction reaction is performed under the condition of a reducing catalyst, and finally, a hydrolysis reaction is performed with sodium hydroxide to obtain fluvastatin sodium impurity F. The application provides a preparation method of fluvastatin sodium impurity F, which is low in cost, simple in operation, high in yield and easy in process purification. The method uses fluvastatin sodium intermediate (fluvastatin alcohol ketone) as a raw material, the raw material is easy to obtain, and the impurity F can be prepared through only three chemical reactions, and each step does not need a complicated refining process. The fluvastatin sodium impurity F prepared by the application is high in yield and high in purity, and can be used as a standard or control product for quality control and production monitoring of fluvastatin sodium.
Owner:LAKERSPHARMA CO LTD