Electric Literature of 1533519-84-4, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 1533519-84-4 as follows.
The compound of Formula (4-B) (2.1 g, 6.53 mmol), the compound of Formula (5) (5.33 g, 19.92 mmol), sodium bicarbonate (2.19 g, 26.12 mmol) and N,N-dimethylformamide (10 mL) were combined in a flask and the resulting suspension was stirred at room temperature for 6 days. The reaction mixture (containing ?18 mol % of the compound of Formula (5) by 1H-NMR) was then poured onto ice water (60 mL) over 10 minutes whereupon a suspension formed. The formed suspension was stirred for 30 minutes during which time the solution was warmed to room temperature. The solid product was then collected by filtration, washed with water (4*8 mL), and suction dried for 15 minutes to provide a damp cake. A new flask was charged with the damp cake along with dichloromethane (75 mL), and the mixture stirred at room temperature for 30 minutes to afford a biphasic solution. The organic phase was removed and washed with water (3*30 mL), dried over anhydrous sodium sulfate, and concentrated in vacuo at 30-35 C. to afford the compound of Formula (3-B) (5.78 g; 86% yield from the compound of Formula (4-B); HPLC purity=92 area %) as a light yellow foamy solid. 1H-NMR (CDCl3, 300 MHz) delta: 0.75-0.90 (6H, m), 1.15 (6H, d, J=8.50 Hz), 2.33-2.46 (3H, m), 3.96-4.20 (6H, m), 4.21-4.39 (4H, m), 5.27-5.36 (1H, m), 7.29-7.36 (6H, m), 7.36-7.43 (3H, m), 7.50-7.59 (3H, m), 7.59-7.68 (3H, m), 8.23 (1H, s), 8.25 (2H, s), 8.48-8.56 (3H, m).
According to the analysis of related databases, 1533519-84-4, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Apotex Inc.; Bodhuri, Prabhudas; Green, Melanie R. A.; Karadeolian, Avedis; Weeratunga, Gamini; Gorin, Boris; (33 pag.)US2018/258057; (2018); A1;,
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