Electric Literature of 83647-43-2, Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 83647-43-2, name is (3-Bromo-2-methylphenyl)methanol. A new synthetic method of this compound is introduced below.
(2,3-dihydrobenzo[b][l,4]dioxin-6-yl)boronic acid (0.537 g, 2.98 mmol),(3- bromo-2-methylphenyl)methanol (0.5 g, 2.487 mmol) and 2nd Generation XPhos precatalyst (0.059 g, 0.075 mmol) was covered with THF (24 ml) and degassed. Potassium phosphate, tribasic (12.43 ml, 6.22 mmol) added as an 0.5 M aqueous solution. The reaction was stirred at room temperature sealed under argon overnight. The solvent was removed by rotary evaporation. The residue was purified using 3: 1 hexanes: ethyl acetate on a 24 g silica gel column. The fractions containing the desired product provided 0.59g of the title compound as a colorless oil. 1H NMR (400MHz, CHLOROFORM-d) delta 7.39 (d, J=7.3 Hz, 1H), 7.25 (t, J=7.6 Hz, 1H), 7.22 – 7.18 (m, 1H), 6.92 (d, J=8.1 Hz, 1H), 6.83 (d, J=1.7 Hz, 1H), 6.78 (dd, J=8.2, 1.8 Hz, 1H), 4.79 (d, J=5.9 Hz, 2H), 4.33 (s, 4H), 2.28 (s, 3H).
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,83647-43-2, its application will become more common.
Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; CHUPAK, Louis S.; ZHENG, Xiaofan; WO2015/34820; (2015); A1;,
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