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Acetoacetanilide is an organic compound with the formula CH₃C(O)CH₂C(O)NHC₆H₅. It is the acetoacetamide derivative of aniline. It is a white solid that is poorly soluble in water. It and many related compounds (prepared from various aniline derivatives) are used in the production of organic pigments called arylide yellows.
A method for synthesizing iprodione with recyclable catalyst
PendingCN122255095Aavoid it happening againReduce governance costsOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsRecyclable catalystHydrogen Sulfate
The application provides a kind of catalyst recyclable carboxin synthesis method, belong to organic synthesis technical field, comprising: the condensation reaction of alpha-chloroacetyl acetanilide and 2-mercaptoethanol under alkaline conditions, intermediate is obtained by separation;With toluene as solvent, the obtained intermediate is mixed with ionic liquid catalyst to form a reaction system, heating reaction, after the reaction is completed, the temperature of the reaction system is reduced to 5-25 DEG C, the reaction system is layered, then separation treatment is carried out, carboxin product and separated ionic liquid catalyst are obtained, then the separated ionic liquid catalyst is regenerated by dehydration and recycled;Wherein, the ionic liquid catalyst is 1-(polyethylene glycol monomethyl ether group)-3-(3-sulfopropyl) imidazole hydrogen sulfate salt.The reaction system has homogeneous high-efficiency conversion at high temperature and automatic separation at low temperature, which realizes the green upgrading of carboxin synthesis process.
Owner:XINYI YONGCHENG CHEM CO LTD