Continuous synthesis method of 2, 3-dimethylphenylsulfide
A technology of dimethyl anisole and synthetic method, which is applied to the preparation of sulfide, chemical instruments and methods, and the preparation of organic compounds, etc., which can solve the problems of low efficiency of mass transfer and heat transfer, long production cycle, cumbersome operation steps, etc. problems, achieve the effect of safe and stable synthesis method, reduce production cost, and simplify the operation process
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0023] A method for preparing 2,3-dimethylanisole, the specific steps are as follows:
[0024] Microchannel reactor model: RMCS1010, with a total of ten reaction modules, of which the 1st to 5th reaction modules are the first reaction area, the 6th to 10th reaction modules are the second reaction area, A channel and B channel are connected with the first The reaction modules are connected, and the C channel is connected to the sixth reaction module; the liquid holding capacity of each reaction module is 0.75mL, and the liquid holding capacity of the pipeline and joint is 2.9mL; the infusion pump model: PF100 semi-preparative medium-pressure infusion pump.
[0025] (1) controlling the temperature of the first reaction zone and the second reaction zone to be 0°C;
[0026] (2) Place 700 g of hydrochloric acid solution with 100 g of 2,3-dimethylaniline in the storage bottle of channel A; place 180 g of aqueous solution of 70 g of sodium nitrite in the storage bottle of channel B; ...
Embodiment 2
[0032] A method for preparing 2,3-dimethylanisole, the specific steps are as follows:
[0033] Microchannel reactor model: RMCS1010, with a total of ten reaction modules, of which the 1st to 5th reaction modules are the first reaction area, the 6th to 10th reaction modules are the second reaction area, A channel and B channel are connected with the first The reaction modules are connected, and the C channel is connected to the sixth reaction module; the liquid holding capacity of each reaction module is 0.75mL, and the liquid holding capacity of the pipeline and joint is 2.9mL; the infusion pump model: PF100 semi-preparative medium-pressure infusion pump.
[0034] (1) Control the temperature of the first reaction zone and the second reaction zone to be 5°C;
[0035] (2) Place 690 g of hydrochloric acid solution with 100 g of 2,3-dimethylaniline in the storage bottle of channel A; place 180 g of aqueous solution of 70 g of sodium nitrite in the storage bottle of channel B; The...
Embodiment 3
[0041] A method for preparing 2,3-dimethylanisole, the specific steps are as follows:
[0042] Microchannel reactor model: RMCS1010, with a total of ten reaction modules, of which the 1st to 5th reaction modules are the first reaction area, the 6th to 10th reaction modules are the second reaction area, A channel and B channel are connected with the first The reaction modules are connected, and the C channel is connected to the sixth reaction module; the liquid holding capacity of each reaction module is 0.75mL, and the liquid holding capacity of the pipeline and joint is 2.9mL; the infusion pump model: PF100 semi-preparative medium-pressure infusion pump.
[0043] (1) Control the temperature of the first reaction zone and the second reaction zone to be -2°C;
[0044] (2) Place 710 g of hydrochloric acid solution with 100 g of 2,3-dimethylaniline in the storage bottle of channel A; place 180 g of aqueous solution of 70 g of sodium nitrite in the storage bottle of channel B; The ...
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