Adding a certain compound to certain chemical reactions, such as: 41841-16-1, name is Methyl 2-(4-bromophenyl)acetate, belongs to esters-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 41841-16-1, Product Details of 41841-16-1
At 40 C., a solution of intermediate B.i (52 g) in THF (100 mL) was carefully added over a period of 40 min to a suspension of NaH (15.6 g) in dry THF (450 mL). Stirring was continued for 70 min without heating and the temperature dropped to 27 C. The evolution of gas stopped before dimethylcarbonate (76.42 mL) was added dropwise while the temperature of the mixture was maintained at 29-31 C. Stirring was continued for 22 h at rt. The mixture was cooled to -10 C. and then carefully neutralized to pH 6-7 with aq. HCl before bulk of the THF was removed in vacuo. The residue was dissolved in EA (700 mL), washed 3 times with 1 N aq. HCl-solution and once with brine, dried over MgSO4. Most of the EA was evaporated before Hex was added. The product crystallised overnight at 4 C. The crystals were collected, washed with Hex and dried to give the expected product as pale yellow crystals (45.9 g).1H-NMR (D6-DMSO): delta 3.66 (s, 6H); 5.07 (s, 1H); 7.30-7.34 (m, 2H); 7.55-7.59 (m, 2H),
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Reference:
Patent; Bolli, Martin; Boss, Christoph; Treiber, Alexander; US2012/142716; (2012); A1;,
Ester – Wikipedia,
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