Sulfitonetaine sterilizing agent and synthetic method thereof
A sulfite and fungicide technology, applied in the directions of fungicides, biocides, biocides, etc., can solve the problem of less research on bactericidal performance, and achieve broad market application prospects, good bactericidal treatment, and improved bactericidal activity. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0024] Example 1: Synthesis of intermediate vinyl sulfite
[0025] The synthesis method of the intermediate vinyl sulfite is as follows:
[0026] (1) Add 62.1g (1.0mol) of ethylene glycol into a 250mL three-necked flask, and add 88mL (1.2mol) of thionyl chloride under constant stirring;
[0027] (2) The constant temperature water bath is heated to 35~40℃, and the irritating gas escapes, and the escaped gas is absorbed with lye;
[0028] (3) After the addition of thionyl chloride is completed, raise the reaction temperature to 70°C and react for 2h;
[0029] (4) After the reaction is completed, vacuum distillation is carried out to recover 60-70℃ / 3.3×10 3 Pa.
Embodiment 2
[0030] Example 2 Synthesis of Fungicide
[0031] Experiment 1 Synthesis of bactericide 2-(1-methylimidazole) ethyl sulfite salt IAES:
[0032] (1) Add 8.2 g (100 mmol) of 1-methylimidazole and 20 mL of 1,4-dioxane to a 250 mL three-necked flask;
[0033] (2) Heat to reflux temperature, slowly add 13.0g (120mmol) vinyl sulfite dropwise under constant stirring, after the dropwise addition, react for 2-5h;
[0034] (3) After the reaction is completed, the solvent is removed by rotary evaporation, recrystallization is carried out 2-3 times with acetonitrile, and after vacuum drying, a pale yellow granular solid 2-(1-methylimidazole) ethyl sulfite salt is obtained.
[0035] Test 2 Synthesis of the fungicide 2-(4-methylmorpholine) ethyl sulfite salt MLES:
[0036] (1) Add 10.1 g (100 mmol) of 4-methylmorpholine and 20 mL of 1,4-dioxane into a 250 mL three-necked flask;
[0037] (2) Heat to reflux temperature, slowly add 13.0g (120mmol) vinyl sulfite dropwise under constant stirring, after the d...
Embodiment 3
[0047] Example 3 Structural Characterization of Fungicide
[0048] The structure of the samples prepared in Experiment 1, Experiment 2, Experiment 3, and Experiment 4 in Example 2 was analyzed by infrared spectrogram. Using KBr tableting method, the structure of the fungicide was characterized by WQF-520A Fourier transform infrared spectrometer. The infrared spectrum is as follows figure 1 , figure 2 , image 3 with Figure 4 Shown. From figure 1 It can be seen from figure 1 It can be seen that 3095cm -1 Is the stretching vibration of hydrogen on unsaturated carbon, 2095, 2877cm -1 Where is the methyl stretching vibration peak, 1648cm -1 C=C stretching vibration on the imidazole ring, 1115cm -1 Is the stretching vibration peak of S=O; from figure 2 It can be seen that 2956, 2881cm -1 Is the methyl stretching vibration peak, 1123, 1031cm -1 Is the vibration absorption peak of S=O and S—O; from image 3 It can be seen that 3030cm -1 Is the stretching vibration of hydrogen on unsa...
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