Adding a certain compound to certain chemical reactions, such as: 5414-19-7, name is 1-Bromo-2-(2-bromoethoxy)ethane, belongs to ethers-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 5414-19-7, Formula: C4H8Br2O
To a room temperature mixture of the [T-BUTYL-2- ( {4- [4- (2-] ethoxyethoxy) phenyl] phenyl) sulfonyl) acetate product (4) from Part C (800 mg, 1.9 mmol) in 8 mL DMF was added 18-crown-6 (150 mg, 0.6 mmol), potassium carbonate (1.3 g, 9.5 mmol), and bis (2-bromoethyl) ether (480 mg, 2.1 mmol). The mixture was stirred at room temperature for 18 hr. Subsequently, no starting material (4) was detectable by HPLC. The resulting mixture was concentrated, diluted in cold ether, and filtered to produce 800 mg (86% yield) of the desired compound (5). LCMS: [[M+NA] =] 513.2.
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Reference:
Patent; PHARMACIA CORPORATION; WO2004/811; (2003); A1;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem