51868-45-2Relevant articles and documents
Synthesis process of 2-amino-4-acetylaminoanisole
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, (2019/04/26)
The invention discloses a synthesis process of 2-amino-4-acetylaminoanisole. The process includes: taking 2, 4-dinitroanisole as the raw material, performing hydrogenation to obtain 2, 4-diaminoanisole, complexing the 2-amino of 2, 4-diaminoanisole with an acidification reagent, then carrying out acylation reaction with an acetylation reagent to obtain 2-amino-4-acetylaminoanisole. The synthesis method provided by the invention not only effectively reduces the oxidation of diamino and secondary acylation of amino, improves the purity and yield of 2-amino-4-acetylaminoanisole, but also recyclesthe catalyst and methanol, and effectively utilizes the hydrogenation reaction heat, meets the requirements of clean production, and can be used for industrial production.
A supercritical CO2For vinylsulfonyl reactive disperse dyes and its preparation method and application (by machine translation)
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Paragraph 0042; 0045, (2017/08/28)
The invention belongs to the field of dye synthesis, relates to a supercritical CO2 For vinylsulfonyl reactive disperse dyes, and method for preparing the compound. The compounds of this invention with the structure as shown in formula I: type definition of each group in the specification. The compounds have a relatively good dying activity, can be used for the supercritical carbon dioxide, to the wool fiber and polyester fiber has good dyeing properties. (by machine translation)