623-04-1, 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 623-04-1 as follows.
Preparation of 4-((tert-butyldimethyIsilyloxy)methyI)aniline; To a solution of (4-aminophenyl)methanol (3 g, 24.36 mmol) in DMF (85 mL) was added DMAP (0.982 g, 8.04 mmol) and triethylamine (4.07 mL, 29.2 mmol). Tertbutylchloro- dimethylsilane (4.04 g, 26.8 mmol) was added. The reaction mixture was stirred at ambient temperature overnight. The reaction mixture was filtered to remove the salt. The filtrate was concentrated to afford 7.9 g of a red solid, which was dissolved in EtOAc (200 mL), washed with water (100 mL), saturated ammonium chloride (2 x 50 mL), water (2 x 50 mL) and brine (50 mL), the organic layer was dried over Na2SO4. Filtration and concentration afforded 4-
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,623-04-1, its application will become more common.
Reference:
Patent; ABBOTT LABORATORIES; WO2009/11850; (2009); A2;,
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