Synthetic Route of 62058-03-1, 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 62058-03-1 as follows.
General procedure: To a solution of ethyl 1-phenyl-5-(2-methyl-4-oxobutan-2-yl)-1H-pyrazole-4-carboxylate 14b (45 mg, 0.15 mmol) in CHCl3 (9 mL) was added trans-5-hydroxy-2-adamantylamine (25 mg, 0.15 mmol), acetic acid (0.025 mL, 0.45 mmol) and sodium triacetoxyborohydride (85 mg, 0.45 mmol) at room temperature. After stirring at ambient temperature for 16 hours, the reaction mixture was quenched with aq. NaHCO3, extracted with CHCl3, and washed with aq. NaCl. The combined organic layer was dried over Na2SO4 and concentrated in vacuo. The residue was dissolved in methanol (0.30 mL), and added 1.0 N NaOH (0.22 mL, 0.22 mmol) at room temperature. After stirring at ambient temperature for 16 hours, the solvent was removed under vacuum. The mixture of the residue in CHCl3 (1.5 mL) and DIPEA (0.078 mL, 0.45 mmol) and HBTU (35 mg, 0.15 mmol) was stirred at room temperature. After 16 hours, the reaction mixture was quenched with aq. NaHCO3, extracted with CHCl3, and washed with aq. NaCl., then purified with column chromatography (silica gel, eluting with CHCl3/methanol) to give the title compound as a white solid (0.025 g, 42 percent yield).
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,62058-03-1, its application will become more common.
Reference:
Article; Udagawa, Shuji; Sakami, Satoshi; Takemura, Takahiro; Sato, Mikiya; Arai, Takahiro; Nitta, Aiko; Aoki, Takumi; Kawai, Koji; Iwamura, Tomokatsu; Okazaki, Seiji; Takahashi, Takehiro; Kaino, Mie; Bioorganic and Medicinal Chemistry Letters; vol. 23; 6; (2013); p. 1617 – 1621;,
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