Adding a certain compound to certain chemical reactions, such as: 623-50-7, Ethyl 2-hydroxyacetate, 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, name: Ethyl 2-hydroxyacetate, blongs to alcohols-buliding-blocks compound. name: Ethyl 2-hydroxyacetate
Synthesis of Intermediate A-1.A-1To a mixture of ethyl glycolate [623-50-7] (250.00 g, 2.40 mol), NaH (105.65 g, 2.64 mol), tetrabutylammonium iodide (TBAI) (88.70 g, 240.14 mmol) in anhydrous THF (2 L) was added benzyl bromide (451 .80 g, 2.64 mol) dropwise at 0C. The resulting mixture was stirred at 25C for 16 hours. The reaction mixture was quenched with saturated, aqueous ammonium chloride (1 L), and the aqueous layer was extracted with ethyl acetate (3 x 1 L). The combined organic layers were washed with brine (1 L), dried over magnesium sulfate, the solids were removed via filtration, and the solvents of the filtrate were concentrated under reduced pressure. The residue was purified by silica gel column chromatography (petroleum ether: ethyl acetate = 6: 1 ) to obtain intermediate A-1 (200 g).1H NMR (CDCIs 400MHz) delta ppm 7.37-7.27 (m, 5H); 4.62 (s, 2H), 4.24-4.19 (q, J = 6.8 Hz, 2H); 4.07 (s, 2H); 1.29-1 .25 (t, J = 6.8 Hz, 3H).
At the same time, in my other blogs, there are other synthetic methods of this type of compound,623-50-7, Ethyl 2-hydroxyacetate, and friends who are interested can also refer to it.
Reference:
Patent; JANSSEN R&D IRELAND; MC GOWAN, David; RABOISSON, Pierre Jean-Marie Bernard; EMBRECHTS, Werner; JONCKERS, Tim, Hugo, Maria; LAST, Stefaan, Julien; PIETERS, Serge, Maria, Aloysius; VLACH, Jaromir; WO2012/136834; (2012); A1;,
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