A kind of compound and its preparation method and application
A compound and chemical technology, applied in the field of medicine, can solve the problems of undiscovered anti-tumor activity, no patent reports, and few reports of Hoparan-type triterpenoids, etc., and achieves obvious inhibitory effect and broad anti-tumor spectrum effect.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0019] A kind of preparation method of new antitumor compound is as follows:
[0020] (1) Extraction: Firstly, the Latin name of the extract from Cuona County, Tibet Megacodon stylophorus (C.B.Clarke) The whole herb of H.Smith was dried in the shade and weighed about 8.0kg. After the whole herb was crushed, it was soaked and extracted four times with 10 times its weight in 95% ethanol, each time for 7 days. Recover ethanol to obtain 1189g of liquid extract: dissolve the liquid extract in 3000mL of water, extract 3 times with petroleum ether equal to the volume of the extract suspension, combine and concentrate to obtain the petroleum ether extraction fraction (165g).
[0021] (2) Separation and purification: After the petroleum ether extraction part is concentrated under reduced pressure, use 200~300 mesh silica gel to absorb and mix the sample. After evaporating the solvent, place it on a 200~300 mesh silica gel column. First, use petroleum ether:ethyl acetate=10: 8 liters ...
PUM
Property | Measurement | Unit |
---|---|---|
melting point | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com