Reference of 61367-62-2, 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. 61367-62-2, name is 4-Bromo-3,5-dimethoxybenzyl alcohol. A new synthetic method of this compound is introduced below.
Production Example 12; 2-Bromo-1,3-dimethoxy-5-(methoxymethyl)benzene; Under cooling in an ice water bath, to a solution of (4-bromo-3,5-dimethoxyphenyl)methanol (118.8 g) in N,N-dimethylformamide (960 mL) was added sodium hydride (60percent oily; 24.7 g), and the mixture was stirred for 10 minutes. To this iodomethane (41.7 mL) was dropped. Thereafter, the reaction mixture was stirred at room temperature for 1 hour. The reaction mixture was poured into ice water (2.5 L), and extracted with ethyl acetate. The resulting organic layer was washed with saturated saline, and dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure. The resulting residue was purified by silica gel column chromatography, and from a fraction of n-hexane:ethyl acetate (4:1), 121.3 g of a title compound was obtained as colorless oil.
At the same time, in my other blogs, there are other synthetic methods of this type of compound,61367-62-2, 4-Bromo-3,5-dimethoxybenzyl alcohol, and friends who are interested can also refer to it.
Reference:
Patent; Negi, Shigeto; Shimizu, Toshikazu; Kuroda, Hiroshi; Shimomura, Naoyuki; Sasho, Manabu; Hoshino, Yorihisa; Kubota, Manabu; US2007/191613; (2007); A1;,
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