The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 145691-59-4, name is (3,5-Dibromophenyl)methanol. This compound has unique chemical properties. The synthetic route is as follows. Recommanded Product: 145691-59-4
Into a 100-mL round-bottom flask, was placed (3,5-dibromophenyl)methanol (2 g, 7.52 mmol, 1.00 eq.), dioxane (40 mL), water(4 mL), 2-ethenyl-4,4,5,5-tetramethyl-l,3,2-dioxaborolane (1.2 g, 7.79 mmol, 1.00 eq.), Pd(PPh3)4 (900 mg, 0.78 mmol, 0.10 eq.), potassium carbonate (3.1 g, 22.43 mmol, 3.00 eq.). The resulting solution was stirred for 1 overnight at 100 C. The solids were filtered out. The resulting mixture was concentrated under vacuum. The resulting solution was diluted with 100 mL of H2O. The resulting solution was extracted with 3×100 mL of ethyl acetate and the organic layers combined and dried over anhydrous sodium sulfate and concentrated under vacuum. The residue was applied onto a silica gel column with dichloromethane. This resulted in 1.1 g (69%) of (3-bromo-5- ethenylphenyl)methanol as yellow oil.
With the rapid development of chemical substances, we look forward to future research findings about 145691-59-4.
Reference:
Patent; PRINCIPIA BIOPHARMA INC.; LOU, Yan; OWENS, Timothy Duncan; BRAMELD, Kenneth Albert; GOLDSTEIN, David Michael; (171 pag.)WO2019/99576; (2019); A1;,
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