Preparation method of 2,2 bi-[3-nitryl-4-(2,6-dinitryl-4-trifluoromethyl phenoxy)phenyl] propane
A technology of trifluoromethylphenoxy and trifluoromethyl halogenated benzene is applied in the field of preparation of aromatic organic compounds and achieves the effects of less three wastes, convenient recovery and environmental friendliness
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0028] 31.8 grams (0.10 moles) of 2,2-bis(3-nitro-4-hydroxyphenyl) propane, 59.5 grams (0.22 moles) of 2,6-dinitro-4-trifluoromethylchlorobenzene, 110.4 grams (0.80 moles) of potassium carbonate, 2544 milliliters of N, N-dimethylformamide and 260 milliliters of toluene were put into the reaction kettle, stirred, heated to reflux and separated from water for 18 hours, concentrated the reaction solution, recovered the solvent for recycling , cooling the reactant system, adding water, the solid product was precipitated, washed 2 to 3 times with hot water, and dried to obtain 72.3 grams of 2,2-bis[3-nitro-4-(2,6-dinitro-4 - Trifluoromethylphenoxy) phenyl] propane crystal product with a purity of 99.5%, according to the actual acquisition of 2,2-bis[3-nitro-4-(2,6-dinitro-4-trifluoro The amount of methylphenoxy)phenyl]propane and the theoretical amount (78.6 grams) was calculated to give 2,2-bis[3-nitro-4-(2,6-dinitro-4-trifluoromethyl The yield of phenoxy)phenyl]propane was 92.0%...
Embodiment 2
[0030] 31.8 grams (0.10 moles) of 2,2-bis(3-nitro-4-hydroxyphenyl) propane, 69.3 grams (0.22 moles) of 2,6-dinitro-4-trifluoromethyl bromobenzene, 55.2 grams (0.40 moles) of potassium carbonate, 1800 milliliters of N, N-dimethylacetamide, 250 milliliters of benzene and 150 milliliters of dimethylbenzene were put into a reaction kettle, stirred, heated to reflux and separated water for 12 hours, and concentrated the reaction solution. Recover the solvent for recycling, cool the reactant system, add water, and precipitate a solid product, wash with hot water 2 to 3 times, and dry to obtain 71.3 grams of 2,2-bis[3-nitro-4-(2,6-di Nitro-4-trifluoromethylphenoxy) phenyl] propane crystal product, the purity is 99.4%, according to the actual acquisition of 2,2-bis[3-nitro-4-(2,6-dinitro- The amount and theoretical amount of 4-trifluoromethylphenoxy)phenyl]propane (78.6 g) was calculated to give 2,2-bis[3-nitro-4-(2,6-dinitro-4- The yield of trifluoromethylphenoxy)phenyl]propane was ...
Embodiment 3
[0032] 31.8 grams (0.10 moles) of 2,2-bis(3-nitro-4-hydroxyphenyl) propane, 54.1 grams (0.20 moles) of 2,6-dinitro-4-trifluoromethylchlorobenzene, 10.6 grams (0.10 moles) of sodium carbonate, 160 milliliters of N-methyl-2-pyrrolidone, 280 milliliters of benzene and 40 milliliters of dichlorobenzene were put into the reaction kettle, stirred, heated to reflux and separated from water for 14 hours, and concentrated the reaction solution , recover the solvent for recycling, cool the reactant system, add water, precipitate a solid product, wash with hot water 2 to 3 times, and dry to obtain 64.0 grams of 2,2-bis[3-nitro-4-(2,6- Dinitro-4-trifluoromethylphenoxy) phenyl] propane crystal product, the purity is 99.0%, according to the actual obtained 2,2-bis[3-nitro-4-(2,6-dinitro Base-4-trifluoromethylphenoxy)phenyl]propane amount and theoretical yield (78.6 g), calculated 2,2-bis[3-nitro-4-(2,6-dinitro- The yield of 4-trifluoromethylphenoxy)phenyl]propane was 81.4%.
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