Electric Literature of 54149-17-6, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 54149-17-6, name is 1-Bromo-2-(2-methoxyethoxy)ethane belongs to ethers-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.
Example 66 Preparation of (4bR,8aR,9R)-N-(3-(2-(2-methoxyethoxy)ethoxy)pyridin-4-yl)-ll- methyl-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthren-3-amine (66), hydrochloride salt Step 1. Synthesis of 4-chloro-3-(2-(2-methoxyethoxy)ethoxy)pyridine, A mixture of 4-chloropyridin-3-ol (100 mg, 0.772 mmol), l-bromo-2-(2- methoxyethoxy)ethane (141 mg, 0.772 mmol) and CS2CO3 (503 mg, 1.544 mmol) in dimethylacetamide (5 mL) was irradiated in a microwave at 120 C for two hours. The reaction mixture was cooled to room temperature and poured into 20 mL of water. The aqueous solution was extracted with ethyl acetate 3×20 mL. The organic layer was combined, was washed with brine (50 mL), was dried over anhydrous sodium sulfate, was filtered and was concentrated. The crude product was purified via flash column chromatography on silica gel to afford 4-chloro-3-(2-(2-methoxyethoxy)ethoxy pyridine (87.4 mg, 48.9%). MS (EI) for C10H14CINO3: 232.0 (MH+).
In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 1-Bromo-2-(2-methoxyethoxy)ethane, other downstream synthetic routes, hurry up and to see.
Reference:
Patent; NEKTAR THERAPEUTICS; ANAND, Neel; AURRECOECHEA, Natalia; CHENG, Lin; DENG, Bo-liang; O’MAHONY, Donogh; MU, Yongqi; KROGH-JESPERSEN, Erik; (215 pag.)WO2016/182840; (2016); A1;,
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