Electric Literature of 1585-90-6, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.1585-90-6, Name is 1-(2-Hydroxyethyl)-1H-pyrrole-2,5-dione, molecular formula is C6H7NO3. In a Patent£¬once mentioned of 1585-90-6
N – based on pharmaceutical intermediates substituted maleic imide compound and its preparation and antibacterial activity study (by machine translation)
The invention discloses a formula (I) indicated by the N – substituted maleic imide compound and its preparation method and in inhibiting galenical or Sclerotinia sclerotiorum in the application. The preparation method is formula (II) is shown in the anhydride, organic amine as the raw material, is dissolved in the solvent in acetone, magnetic stirring, at room temperature the reaction is complete, the solvent is removed by rotary evaporation and acetone, and then adding toluene as solvent, in the stabilizer and under the action of a dehydrating agent, by the amidation reaction and dehydration ring-closing reaction, after the reaction, the reaction liquid separation and purification […] (I) indicated by the N – substituted maleic imide compound; the organic amine as chlorine animal pen amine, ethanolamine, propanolamine, amino phenol or (R)- (+) – 1 – (4 – methoxybenzene) ethylamine; the stabilizer is hydroquinone and anhydrous sodium acetate; the degassing agent is triethylamine. Preparation method of this invention simple, convenient operation; of the rice sheath blight with Sclerotinia have good effect. (by machine translation)
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Reference£º
Pyrroline – Wikipedia,
1-Pyrroline | C4H7N – PubChem