55312-97-5Relevant articles and documents
Method for preparing 2, 5-dimethylphenylacetyl chloride
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, (2020/05/08)
The invention discloses a method for preparing 2, 5-dimethylphenylacetyl chloride, and belongs to the field of pesticide intermediate synthesis. According to the method, p-xylene is used as an initialraw material, chloromethylation, cyaniding, hydrolysis and acylating chlorination are carried out, 2, 5-dimethylphenylacetyl chloride is obtained after continuous reaction without purification, the total yield of the four steps of reaction is 75%, and the product purity is greater than 99.0%. The method is simple in process and only needs to purify the final product and is low in operation cost,mild in reaction condition and high in yield and product purity and is very easy to realize industrial production.
Synthetic method of insecticide spirotetramat intermediate 2,5-dimethyl phenylacetyl chloride
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Paragraph 0028-0033; 0050-0057, (2019/03/08)
The invention discloses a synthetic method of an insecticide spirotetramat intermediate 2,5-dimethyl phenylacetyl chloride, belonging to the field of pesticide pharmacy. The synthetic method is characterized by comprising the step of reacting 2-halogenate
Preparation method and application of novel spiro compound
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Paragraph 0040; 0041, (2018/05/01)
The invention discloses a preparation method and application of a novel spiro compound and belongs to the technical field of pesticide synthesis. Compared with the prior art, the preparation method and application have the advantage that the novel spiro c