Novel crystal form of tedizolid phosphate disodium salt and preparation method of novel crystal form
A technology of tedizolid phosphate disodium salt and crystal form, which is applied in chemical instruments and methods, compounds of group 5/15 elements of the periodic table, organic chemistry, etc., and can solve the problems of unstable properties, high production costs, and refining effects. Poor and other problems, achieve good particle size and stability, facilitate subsequent processing operations, and good stability
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0042]Example 1 Preparation of tedizolid phosphate disodium salt crystal form I:
[0043] Put 100mg of tedizolid phosphate disodium salt into a 50ml reaction bottle, add 1ml of water, stir to dissolve, then add 3ml of methanol dropwise, filter with suction after precipitation, wash with a mixed solvent of water and methanol (volume ratio 1:1), wash for 40 After vacuum drying at °C for 6 hours, 69 mg of needle-like crystals were obtained, which was Form I, with a yield of 69.0%;
[0044] After determination, its X-RPD pattern is as follows figure 1 As shown, its DSC-TGA spectrum is as figure 2 shown.
[0045] 1H-NMR (600MHz, DMSO, δppm): 3.59(d,1H), 3.72(d,1H), 3.92(t,1H), 4.15(t,1H), 4.49(s,3H), 5.28(s, 1H), 7.52(d, 1H), 7.65(m, 2H), 8.25(dd, 2H), 8.93(s, 1H).
Embodiment 2
[0046] Example 2 Preparation of crystal form I of tedizolid phosphate disodium salt:
[0047] Put 100mg of tedizolid phosphate disodium salt into a 50ml reaction bottle, add 1ml of water, stir to dissolve, then add 4.5ml of ethanol dropwise, filter with suction after precipitation, and wash with a mixed solvent of water and ethanol (10:10 by volume) The filter cake was vacuum-dried at 40°C for 6 hours to obtain 72 mg of needle-like crystals, with a yield of 72.0%;
[0048] After determination, its X-RPD pattern and figure 1 Basically the same, its DSC-TGA spectrum and figure 2 Basically the same.
Embodiment 3
[0049] Example 3 Preparation of crystal form I of tedizolid phosphate disodium salt:
[0050] Put 100mg of tedizolid disodium phosphate into a 50ml reaction bottle, add 1ml of water, stir to dissolve, then add 4ml of acetonitrile dropwise, filter with suction after precipitation, wash and filter with a mixed solvent of water and acetonitrile (10:10 by volume) The cake was vacuum-dried at 40°C for 6 hours to obtain 65 mg of needle-like crystals, with a yield of 65.0%;
[0051] After determination, its X-RPD pattern and figure 1 Basically the same, its DSC-TGA spectrum and figure 2 Basically the same.
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