Category: 486460-26-8

Application of 486460-26-8, 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 486460-26-8, name is (4-Bromo-2,5-difluorophenyl)methanol. This compound has unique chemical properties. The synthetic route is as follows.

NaH (210 mg, 8.8 mmol) was added to a solution of XLVII-3 (446 m g, 2 mmol) in DMF (10 mL) at 0 C. The reaction mixture was stirred at 0 C. for 30 mins. A solution of XLVII-3A (366 mg, 2 mmol) in DMF (5 mL) was added dropwise. The reaction mixture was stirred at 0 C. for 4 h. Water (5 mL) was added. The reaction mixture was diluted with brine and EtOAc. The aqueous layer was extracted with EtOAc. The combined organic layer was washed with brine, dried over MgSO4 and concentrated. The crude product was purified by column (PE/EA=2/1) to afford XLVII-4 (200 mg, yield 30.7%).

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 486460-26-8, (4-Bromo-2,5-difluorophenyl)methanol.

Reference:
Patent; Buckman, Brad Owen; Nicholas, John Beamond; Emayan, Kumaraswamy; Seiwert, Scott D.; US2014/200215; (2014); A1;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Electric Literature of 486460-26-8, 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 486460-26-8, name is (4-Bromo-2,5-difluorophenyl)methanol. This compound has unique chemical properties. The synthetic route is as follows.

To a solution of 2 g (8.44 mmol) of 4-bromo-2,5-difluorobenzoic acid (prepared according to the procedure of Ishikawa et al., Kogyo Kagaku Zasshi, pg 972-979, 1970) in 20 mL of tetrahydrofuran was added 40 mL of a 1M solution of borane-tetrahydrofuran complex. The solution was heated under reflux for 64 h, cooled to ambient temperature and 100 mL of methanol was added. The reaction was then heated for a further 2 h, cooled and concentrated in vacuo. Purification by flash chromatography (silica gel, 9:1 hexane:ethyl acetate) afforded 1.6 g of 4-bromo-2,5-difluorobenzyl alcohol. To a solution of 1.3 g (5.6 mmol) of 4-bromo-2,5-difluorobenzyl alcohol in 20 mL of dichloromethane at 0 C. was added 2.27 g (6.7 mmol) of carbon tetrabromide and 1.8 g (6.7 mmol) of triphenylphosphine. The reaction was stirred for 2 h at this temperature, the solvent was removed in vacuo and the residue stirred with 100 mL of diethyl ether. The solution was filtered, concentrated in vacuo, and purified by flash chromatography (silica gel, 9:1 hexane:ethyl acetate) to afford 1.5 g of the title compound.

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 486460-26-8, (4-Bromo-2,5-difluorophenyl)methanol.

Reference:
Patent; Merck Sharp & Dohme Corp.; Edmondson, Scott D.; Fisher, Michael H.; Kim, Dooseop; Maccoss, Malcolm; Parmee, Emma R.; Weber, Ann E.; Xu, Jinyou; US2015/359793; (2015); A1;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts