Redox catalysis has been broadly utilized in electrochemical synthesis. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis., Safety of (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione
210.7 g (0.5 mol) of (S)-2-{[2-oxo-3-(4-(3-oxomorpholine)phenyl]oxazolidine-5-yl] prepared in Example 7 was added to the reaction flask. Methyl isonon-1,3-dione (formula VII), 1500 ml of anhydrous ethanol, and 500 ml of a 30% aqueous solution of methylamine were stirred well and heated to 40 C. to 60 C. for 8 hours. TLC control (2) Chloroethane:methanol = 20:1, volume ratio) The reaction is complete. Adjust the pH to between 1-2 with 10% hydrochloric acid, precipitate a large amount of white solid, cool down to about 15C, stir for 2 hours, filter and filter cake with 300ml The mixture was washed with anhydrous ethanol and dried under reduced pressure to obtain 147.0 g of a white solid (the compound of Formula VIII) in a molar yield of 89.7%. The HPLC purity was 98.7%.
The potential utility of systematic synthetic strategy will be applicable to efficient generations of chemical libraries of compounds to find ‘hit’ molecules.Read on for other articles about 446292-08-6.
Reference:
Patent; Peking University Fangzheng Group Co., Ltd.; Peking University Pharmaceutical Co., Ltd.; Peking University Medical Treatment Industrial Group Co., Ltd.; Xu Hong; Li Linfeng; Zhang Zheng; Wang Wei; Ren Juan; (18 pag.)CN105085507; (2017); B;,
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