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78 results about "Parthenolide" patented technology

Parthenolide is a sesquiterpene lactone of the germacranolide class which occurs naturally in the plant feverfew (Tanacetum parthenium), after which it is named. It is found in highest concentration in the flowers and fruit. Parthenolide's molecular structure depiction is often incorrect regarding the stereochemistry of the epoxide, although X-ray single crystal structures are available. The structure depicted here is the correct one.

Use of parthenolide derivatives as antileukemic and cytotoxic agents

The present invention provides compounds of the formula (I)
wherein:
X1, X2 and X3 are heteroatoms;
R4, R5, P6, R7, R8, R9 and R10 are independently selected from H, halo, —OH, —NO2, —CN and optionally substituted aliphatic, cycloalkyl, heterocycloalkyl, aryl or heteroaryl; and
Z is optionally substituted C1-8 straight-chained or branched aliphatic, optionally containing 1 or more double or triple bonds, wherein one or more carbons are optionally replaced by R* wherein R* is optionally substituted cycloalkyl, heterocycloalkyl, aryl or heteroaryl; an amino acid residue, H, —CN, —C(O)—, —C(O)C(O)—, —C(O)NR1—, —C(O)NR1NR2—, —C(O)O—, —OC(O)—, —NR1CO2—, —O—, —NR1C(O)NR2—, —OC(O)NR1—, —NR1NR2—, —NR1C(O)—, —S—, —SO—, —SO2—, —NR1—, —SO2NR1—, —NR1R2, or —NR1SO2—, wherein R1 and R2 are independently selected from H and optionally substituted aliphatic, cycloalkyl, heterocycloalkyl, aryl or heteroaryl; or where R* is NR1R2, R1 and R2 optionally together with the nitrogen atom form an optionally substituted 5-12 membered ring, said ring optionally comprising 1 or more heteroatoms or a group selected from —CO—, —SO—, —SO2— and —PO—; or a pharmaceutically acceptable salt, ester or prodrug thereof.
Owner:KENTUCKY UNIVERISTY OF

Method for continuously efficiently extracting parthenolide from southern magnolia leaves

A method for continuously efficiently extracting parthenolide from southern magnolia leaves comprises the steps of after crushing fresh southern magnolia leaves as a raw material, taking a polarity organic solvent as an extractant, extracting by adopting a constant temperature gradient serial extraction process, concentrating an extraction solution under reduced pressure with microwaves, and then through the simple processes of washing with water to remove impurities, decoloring, drying and the like, obtaining the parthenolide extract with the purity of 95%. Waste residue and waste liquor generated in the extraction process are subjected to the simple processes of purification, decoloring, drying and the like to make into low purity products with different parthenolide contents. Through the method, the extraction rate of the parthenolide can be furthest improved, and the prepared products with different concentrations can well adapt to different market demands. The whole extraction process is low in device requirement and high in extraction efficiency and raw material use ratio. The use level of a solvent can be reduced by 20% by the special constant temperature gradient serial extraction process, and the production cost is far lower than that of a traditional extraction process.
Owner:长沙卫一生物科技有限公司

Transport preservation fluid for umbilical cord mesenchymal stem cells and preservation method

The invention discloses a transport preservation fluid for umbilical cord mesenchymal stem cells. The transport preservation fluid is prepared from the following raw materials: a sodium chloride injection, alpha-mangostin, hesperidin, parthenolide, glucose, adenosine and sodium dihydrogen phosphate. The transport preservation fluid for umbilical cord mesenchymal stem cells takes the sodium chloride injection as a main component, does not contain blood products such as serum, human serum albumin and the like, and has clear and safe components. Three components of alpha-mangostin, hesperidin and parthenolide are also added as protective agents, so that the cell membrane is protected, the situation that the cell internal space structure is disordered due to the fact that the local electrolyte concentration of the cell is increased after the cell is cooled is avoided, the cell is enabled to quickly adapt to a low-temperature environment, and cell inactivation is avoided. The invention further provides a transport preservation method of the umbilical cord mesenchymal stem cells, by adopting the transport preservation fluid, short-term preservation of the cells at 4-8 DEG C is achieved, the survival rate of the cells after being preserved for 3 days is 90% or above, and clinical use requirements are fully met.
Owner:胡平原
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