One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, category: pyrrolines, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 17057-04-4, Name is 4-(2,5-Dioxo-2,5-dihydro-pyrrol-1-yl)-benzoicacid, molecular formula is C11H7NO4
A N – (4 – carboxyl phenyl) maleimide preparation method (by machine translation)
The invention discloses a N – (4 – carboxyl phenyl) maleimide preparation method, first of all maleic anhydride is dissolved in a ketone solvent, under the condition of stirring at room temperature, is added dropwise to the reaction system in dissolved amino benzoic acid to the ketone solvent, and milling of after-reaction of 0.5 – 2 h, filtering, washing, recrystallization, and dried to obtain a yellow crystal N – (4 – carboxyl phenyl) maleimide acid; then the resulting N – (4 – carboxyl phenyl) maleimide acid dissolved to the aromatic hydrocarbon solvent and cosolvent in the, and adding polymerization inhibitor and catalyst, heating reflow heat filtering after removing the catalyst, and then the filtrate is cooled and is filtered, washing, recrystallization, drying to obtain light yellow crystal N – (4 – carboxyl phenyl) maleimide. The invention synthetic process stability, less side reaction, the production cost is low, for after the recovery of solvent can be recycled, the environmental impact is relatively small, and is suitable for large-scale industrial production, easy to use. (by machine translation)
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. category: pyrrolines, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 17057-04-4, in my other articles.
Reference£º
Pyrroline – Wikipedia,
1-Pyrroline | C4H7N – PubChem