2346-26-1, Oxazolidine-2,4-dione is a oxazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
2346-26-1, A mixture of the compound (2.4 g) obtained in Reference Example 3, oxazolidine-2,4-dione (808 mg), potassium carbonate (1.1 g) and N, N-dimethylformamide (DMF, 40 ml) was stirred under heating at 80C for 2 hrs. The reaction mixture was poured into water (100 ml), and extracted with ethyl acetate. The extract layer of ethyl acetate was washed with water and saturated brine and dried over magnesium sulfate. The solvent was removed by evaporation under reduced pressure to give the title compound as colorless crystals (2.2 g, 81%), which were recrystallized from ethyl acetate-hexane. Melting point: 118-119C. ?H-NMR (CDC13) 8; 1.24 (3H, t, J=7.4 Hz) , 1.58-1.77 (lH, m) , 1.84-2.07 (3H, m), 2.60-2.80 (lH, m), 3.00-3.10 (2H, m), 3.90 (3H, s) , 4.14 (2H, q, J=7.4 Hz) , 4.93 (2H, s) , 5.06 (2H, s) , 6.95-7.06 (2H, m), 7.07-7.23 (2H, m).
As the paragraph descriping shows that 2346-26-1 is playing an increasingly important role.
Reference£º
Patent; TAKEDA PHARMACEUTICAL COMPANY LIMITED; WO2005/111046; (2005); A1;,
Oxazolidine – Wikipedia
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