Pharmaceutical composition for treating hemorrhoid and use thereof
A composition and drug technology, applied in the field of medicine, can solve the problem of non-recurrence of hemorrhoids, and achieve the effect of improving compliance and short-term pain
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0012] One, the preparation of the sodium salt of furan-sulfathiazole Schiff base
[0013] The preparation of the sodium salt of furan-sulfathiazole Schiffer base is divided into four steps:
[0014] (1) In a 10-liter reactor, pour into 5 liters of solvent chloroform (CHCl3), once pour into about 0.38 liters of equimolar ratio reaction solution furan 4 moles and N, about 0.308 liters of 4 moles of N dimethylformamide. Control the water temperature in the outer layer of the reaction kettle to be between 45 degrees and 50 degrees, open the nitrogen valve leading to the reaction kettle, press the mechanical stirring button of the reaction kettle at the same time, and continue stirring for 48 hours to obtain the intermediate product furfuraldehyde in equimolar ratio, and produce The rate is 70%.
[0015] (2) In a reactor of 800 liters, 128 moles and 32 kilograms of raw material drug powder sulfathiazole (ST) are dropped into, and the ratio of absolute anhydrous dimethyl sulfoxide...
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