66794-10-3Relevant articles and documents
Method for preparing 2, 3-dimethyl thioanisole
-
Paragraph 0036-0073, (2021/04/26)
The invention provides a method for preparing 2, 3-dimethyl thioanisole, and the method comprises the following step of: reacting 2, 3-dimethyl aniline, alkyl nitrite and dimethyl disulfide serving as raw materials under the catalysis of copper powder and
Synthesis method and application of topramezone impurity
-
Paragraph 0019-0021, (2019/10/01)
The invention discloses a synthesis method of topramezone impurity. The method includes: taking 2, 3-dimethylaniline as the starting raw material, carrying out methyl sulfidation, bromination, oxidation, oximation and chlorination ring-closing to synthesize 3-[3-bromo-2-methyl-6-(methylsulfonyl)phenyl]-4, 5-dihydroisoxazole, and carrying out condensation with 1-methyl-5-hydroxypyrazole under an alkaline condition to synthesize 3-[2-methyl-3-(1-methyl-1H-pyrazole-5-oxyl)-6-(methylsulfonyl)phenyl]-4, 5-dihydroisoxazole. The invention also discloses application of the corresponding product. The synthesis method provided by the invention has the characteristics of simple operation, easily control process, and a product yield of 40%-80%. The obtained product can be used as a standard substancefor detecting and monitoring the synthesis of topramezone.
Edible essence spice preparation method
-
Paragraph 0032-0045, (2019/05/22)
The invention provides an edible essence spice preparation method, wherein the edible essence spice is 2,3-dimethyl benzene methyl sulfide, and the method includes the following steps: taking 3-nitroo-xylene and potassium methyl mercaptan as raw materials