C07C39/08

METHOD FOR PREPARING RESORCINOL THROUGH MICRO-CHANNEL REACTION

The present disclosure provides a method for preparing resorcinol through micro-channel reaction. In the method, resorcinol is prepared through micro-channel reaction using m-aminophenol as a raw material, a diazo salt is synthesized at 0° C. or more, hydrolysis of the diazo salt is performed at 90° C. or less, and then reaction conditions are reduced; the reaction time is decreased from traditional 10 hours to less than 2 minutes, and therefore the reaction time is significantly shortened; the purity of a product is 75% or more, which is significantly improved. The method provided by the present disclosure has high heat exchange efficiency and high mass transfer rate; the efficiency of reaction is improved by hundreds of times; the reaction system is precisely controlled in the temperature and pressure, and safe and reliable in process, and meanwhile is capable of stably controlling hazard processes such as diazotization, so as to promote safe industry production, reduce energy consumption and greatly reduce industrial hazard waste emission and realize green ecology development.

Method for preparing resorcinol through micro-channel reaction

The present disclosure provides a method for preparing resorcinol through micro-channel reaction. In the method, resorcinol is prepared through micro-channel reaction using m-aminophenol as a raw material, a diazo salt is synthesized at 0° C. or more, hydrolysis of the diazo salt is performed at 90° C. or less, and then reaction conditions are reduced; the reaction time is decreased from traditional 10 hours to less than 2 minutes, and therefore the reaction time is significantly shortened; the purity of a product is 75% or more, which is significantly improved. The method provided by the present disclosure has high heat exchange efficiency and high mass transfer rate; the efficiency of reaction is improved by hundreds of times; the reaction system is precisely controlled in the temperature and pressure, and safe and reliable in process, and meanwhile is capable of stably controlling hazard processes such as diazotization, so as to promote safe industry production, reduce energy consumption and greatly reduce industrial hazard waste emission and realize green ecology development.

Method for preparing resorcinol through micro-channel reaction

The present disclosure provides a method for preparing resorcinol through micro-channel reaction. In the method, resorcinol is prepared through micro-channel reaction using m-aminophenol as a raw material, a diazo salt is synthesized at 0° C. or more, hydrolysis of the diazo salt is performed at 90° C. or less, and then reaction conditions are reduced; the reaction time is decreased from traditional 10 hours to less than 2 minutes, and therefore the reaction time is significantly shortened; the purity of a product is 75% or more, which is significantly improved. The method provided by the present disclosure has high heat exchange efficiency and high mass transfer rate; the efficiency of reaction is improved by hundreds of times; the reaction system is precisely controlled in the temperature and pressure, and safe and reliable in process, and meanwhile is capable of stably controlling hazard processes such as diazotization, so as to promote safe industry production, reduce energy consumption and greatly reduce industrial hazard waste emission and realize green ecology development.

Synthetic Antibacterial Compounds and Uses Thereof

Provided herein are synthetic compounds useful for inhibiting bacterial growth and uses thereof. Also provided are pharmaceutical compositions. The compounds and pharmaceutical compositions are useful for inhibiting growth of a bacterium or treating or preventing a bacterial infection.

Synthetic Antibacterial Compounds and Uses Thereof

Provided herein are synthetic compounds useful for inhibiting bacterial growth and uses thereof. Also provided are pharmaceutical compositions. The compounds and pharmaceutical compositions are useful for inhibiting growth of a bacterium or treating or preventing a bacterial infection.

SYSTEMS AND METHODS FOR CANNABIS CBD EXTRACTION
20220016545 · 2022-01-20 ·

Systems and methods for extracting a compound of interest from plant material, such as acannabidiol (CBD) from cannabis, are provided. Particularly, the disclosed systems and methods utilize a crude oil to separate water, fats, and proteins prior to preparation of a CBD distillate. The systems and methods are operable with conventional solvents containing between about 5 wt % and about 8 wt % water.

Catalyst in which metal is carried on inorganic porous body having hierarchical porous structure, and method for manufacturing said catalyst

A catalyst includes a carrier, and a metal obtained by reducing a metal ion supported on the carrier 1) in a supercritical state or 2) in a polar organic solvent, wherein the carrier is an inorganic porous body having a hierarchical porous structure. By employing the catalyst, it is possible to exhibit better catalytic activity than a conventional catalyst. Heat generation and spontaneous ignition are prevented because no organic porous body is used.

Catalyst in which metal is carried on inorganic porous body having hierarchical porous structure, and method for manufacturing said catalyst

A catalyst includes a carrier, and a metal obtained by reducing a metal ion supported on the carrier 1) in a supercritical state or 2) in a polar organic solvent, wherein the carrier is an inorganic porous body having a hierarchical porous structure. By employing the catalyst, it is possible to exhibit better catalytic activity than a conventional catalyst. Heat generation and spontaneous ignition are prevented because no organic porous body is used.

Method for manufacturing modified aluminosilicate, modified aluminosilicate, and method for manufacturing aromatic dihydroxy compound using the same

The method for manufacturing a modified aluminosilicate includes a first step of treating an aluminosilicate with an acid, a second step of primarily calcining the treated material obtained in the first step at 550° C. to 850° C., and a third step of contacting the calcined material obtained in the second step with a liquid containing one or more Group 4 elements and/or Group 5 elements, and then drying and secondarily calcining the resultant. The modified aluminosilicate includes one or more Group 4 elements and/or Group 5 elements, and exhibits an absorbance at 300 nm in an ultraviolet visible spectrum of 1.0 or higher. The method for manufacturing aromatic dihydroxy compounds includes reacting a phenol with hydrogen peroxide in the presence of a specific modified aluminosilicate.

Method for manufacturing modified aluminosilicate, modified aluminosilicate, and method for manufacturing aromatic dihydroxy compound using the same

The method for manufacturing a modified aluminosilicate includes a first step of treating an aluminosilicate with an acid, a second step of primarily calcining the treated material obtained in the first step at 550° C. to 850° C., and a third step of contacting the calcined material obtained in the second step with a liquid containing one or more Group 4 elements and/or Group 5 elements, and then drying and secondarily calcining the resultant. The modified aluminosilicate includes one or more Group 4 elements and/or Group 5 elements, and exhibits an absorbance at 300 nm in an ultraviolet visible spectrum of 1.0 or higher. The method for manufacturing aromatic dihydroxy compounds includes reacting a phenol with hydrogen peroxide in the presence of a specific modified aluminosilicate.