Adding a certain compound to certain chemical reactions, such as: 37466-89-0, name is 3-Methoxybenzene-1,2-diamine, belongs to ethers-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 37466-89-0, name: 3-Methoxybenzene-1,2-diamine
At room temperature, a solution of oxaldehyde in H20 (40%, 4 mL) was added to a solution of 3-methoxybenzene-1,2-diamine (3.66 g, 26.53 minol) in water (100.00 mL). Then NaHSO3 (7.59 g, 72.94 minol) was added slowly. The resulting solution was stirred for 15 min at room temperature. When the reaction was done, the insoluable solids in the reactionminxture were filtered out. The filtrate was extracted with DCM (300 mL x 3), and the organic phases were combined, washed with brine and dried over Na2SO4. The solvent was removed under reduced pressure and the residue was purified by flash chromatography eluting with EtOAc in hexane (0% to 100% gradient) to yield 5-methoxyquinoxaline as dark red oil (3.02 g, 71%). MS: m/z = 161.0 [M+Hj.
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Reference:
Patent; MERCK PATENT GMBH; SHERER, Brian A.; BRUGGER, Nadia; (546 pag.)WO2017/106607; (2017); A1;,
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