Pharmaceutical composition of dexibuprofen and medicinal use thereof
A technology of dexbuprofen and a composition, which is applied in directions such as drug combinations, medical preparations containing active ingredients, pharmaceutical formulas, etc., can solve the problems such as the related reports of dexbuprofen glomerulonephritis that have not yet been seen, and achieve treatment The effect of increasing the effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0018] Example 1: Compound (I) Separation Preparation and Structure Confirmation
[0019] Sources of reagents: ethanol, petroleum ether, ethyl acetate, n-butanol, and dichloromethane were of analytical grade, purchased from Shanghai Lingfeng Chemical Reagent Co., Ltd. Methanol, of analytical grade, were purchased from Jiangsu Hanbang Chemical Reagent Co., Ltd.
[0020] Separation method: (a) Pulverize Qinpi (2kg), extract with 80% ethanol under heat reflux (15L×3 times), combine the extracts, concentrate until no alcohol smell (3L), and successively use petroleum ether (3L×3 times) , ethyl acetate (3L × 3 times) and water-saturated n-butanol (3L × 3 times) were extracted to obtain sherwood oil extract, ethyl acetate extract and n-butanol extract respectively; (b) step (a) Use D101 macroporous resin to remove impurities from the n-butanol extract, first elute with 10% ethanol for 8 column volumes, then use 70% ethanol for 10 column volumes, collect 70% eluate, and concentrate u...
Embodiment 2
[0024] Embodiment 2: pharmacological action
[0025] In this example, a rat model of membranous glomerulonephritis induced by cationized bovine serum albumin (C-BSA) was used to observe the effect of drugs on improving the renal function of rats with membranous glomerulonephritis.
[0026] 1. Materials and methods
[0027] 1.1 Animals
[0028] SD rats were provided by the Animal Center of Guangzhou University of Traditional Chinese Medicine. NIH mice were provided by the Experimental Animal Center of Guangdong Health Department.
[0029] 1.2 Reagents and samples
[0030] Dexibuprofen was purchased from China National Institute for the Control of Pharmaceutical and Biological Products. Compound (I) is self-made, and the preparation method is shown in Example 1. Tripterygium wilfordii polyglycoside tablets: product of Shanghai Medical University Hongqi Pharmaceutical Factory; bovine serum albumin (BSA) from Beijing Tianxiangren Bioengineering Co., Ltd. Anhydrous ethylenedi...
PUM
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