Electric Literature of 145691-59-4, Adding some certain compound to certain chemical reactions, such as: 145691-59-4, name is (3,5-Dibromophenyl)methanol,molecular formula is C7H6Br2O, 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 145691-59-4.
The above benzyl alcohol (0.26 g, 1.0 mmol) and methyl (4-hydroxy-2-methylphenoxy)acetate (0.30 g, 1.5 mmol) and triphenylphosphine (0.50 g, 1.85 mmol) were dissolved in a mixture of anhydrous toluene (3-mL) and tetrahydrofuran (1 mL) and the mixture was cooled to 0¡ã C. Diisopropyl azodicarboxylate (0.22 g, 1.2 mmol) was added dropwise under nitrogen. The reaction mixture was stirred for 12 h at ambient temperature and the solvents were evaporated in vacuo. Column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 98:2-90:10) gave methyl [4-(3,5-dibromo)benzyloxy]-2-methylphenoxy]acetate. Yield: 0.25 g (56percent). RF (SiO2, hexanes/ethyl acetate 8:2) 0.45. 1H NMR spectrum (300 MHz, CDCl3, deltaH): 7.61 (s, 1H); 7.48 (s, 2H); 6.80 (s, 1H); 6.67 (s, 2H); 4.92 (s, 2H); 4.60 (s, 2H); 3.80 (s, 3H); 2.28 (s, 3H).
According to the analysis of related databases, 145691-59-4, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Novo Nordisk A/S; US2009/209588; (2009); A1;,
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