Adding a certain compound to certain chemical reactions, such as: 897957-06-1, name is 6-Bromo-1-methylindolin-2-one, 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 897957-06-1, Product Details of 897957-06-1
General procedure: General Procedure: Under nitrogen atmosphere, to a stirred solution of N-substituted-2-oxindole (10 mmol) in dry Et2O (40 mL) was added LiHMDS (1.0 M in THF solution, 12 mmol, 12 mL) dropwise at 0 C. The solution was allowed to warm to ambient temperature and stirred for 1 h. Then the solution was cooled to 0 C and TMSCl (13 mmol, 1.6 mL) was added dropwise. The solution was allowed to warm to ambient temperature and stirred for another 3 h. The solvent was removed under reduced pressure, and dry MeCN (40 mL) was charged to the flask. The solution was cooled to 0 C again and Selectfluor (12 mmol, 4.3 g) was added to the solution in small portions. The resulting suspension was allowed to warm to ambient temperature and stirred overnight. The reaction was quenched by the addition of water (20 mL) and EtOAc (20 mL). The reaction mixture was extracted with EtOAc (20 mL ¡Á 2). The combined organic extracts were dried over anhydrous Na2SO4, filtered, and concentrated under reduced pressure Purification of the crude product was performed by flash column chromatography (Hexane/EtOAc) to afford 3-fluorooxindole.
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Reference:
Article; Zhao, Jian-bo; Ren, Xinfeng; Zheng, Bu-quan; Ji, Jian; Qiu, Zi-bin; Li, Ya; Journal of Fluorine Chemistry; vol. 215; (2018); p. 44 – 51;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem