Adding a certain compound to certain chemical reactions, such as: 611-09-6, name is 5-Nitroindoline-2,3-dione, belongs to indolines-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 611-09-6, category: indolines-derivatives
General procedure: GN/SO3H (80 mg) was added to the 3 mL of EtOH/water (1:1) and dispersed for 30 min. Then, malononitrile (1 mmol), isatin (1 mmol), and dimedone (1 mmol) were added to the mixture and the mixture was heated to reflux and kept at this temperature for an appropriate time. After the time of reaction was completed, water was separated by centrifuging followed by extracting the crude product by ethyl acetate. The solvent was dried using Na2SO4 and removed from the reaction by evaporation with a rotary evaporator. Finally, the crude product was recrystallized in hot ethanol to achieve the pure product. The GN/SO3H nanocomposite was washed and reused several times.
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Reference:
Article; Allahresani, Ali; Taheri, Bahare; Nasseri; Research on Chemical Intermediates; vol. 44; 11; (2018); p. 6979 – 6993;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem