In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Recommanded Product: N-(1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 6296-53-3, name is N-(1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide. In an article，Which mentioned a new discovery about 6296-53-3
The present invention provides a method for preparing apps is special and intermediates thereof. The present invention provides a kind of type III intermediates apps is special shown, and the compound of the formula III are sequentially and methyl sulfonate reaction, reductive amination, and the asymmetric acid salt forming, and 3-acetyl amino group is obtained by reacting phthalic anhydride apps is special. The present invention provides synthetic apps is special method can avoid the use of n-butyl lithium-hexane solution, not only reduce the production cost, and has the advantage of convenient operation process, and a large extent in improving the safety of the industrial production, and more suitable commercial continuous production. Of this invention offers 3-acetamino method for preparing phthalic anhydride to improve the yield of 81%, higher yield, is extremely suitable for industrial production of apps is special. (by machine translation)
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H3475O – PubChem