1,4-dibroMo-2-(2-broMoethoxy)benzene synthesis
- Product Name:1,4-dibroMo-2-(2-broMoethoxy)benzene
- CAS Number:377091-18-4
- Molecular formula:C8H7Br3O
- Molecular Weight:358.85
28165-52-8
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377091-18-4
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Yield: 49%
Reaction Conditions:
with sodium hydroxide in water;acetonitrile for 16 h;Heating / reflux;
Steps:
38.4
1,2-Dibromoethane (23.5 mmol) was added to a solution of 2,5-dibromophenol (23.8 mmol) in acetonitrile (20 mL) and 1.15 M sodium hydroxide in water (20 mL) and the reaction mixture was heated at reflux for 16 h. The reaction mixture was concentrated to ? volume and was extracted with ethyl acetate (3 x 50 mL). The combined organic layers were dried (sodium sulfate) and concentrated. The residue was purified by Flash chromatography (1/10 ethyl acetate/hexane) to provide 1 ,4-dibromo-2-(2- bromoethoxy)benzene in 49% yield as a white solid.
References:
MEMORY PHARMACEUTICALS CORPORATION WO2009/23844, 2009, A2 Location in patent:Page/Page column 129-130
377091-17-3
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377091-18-4
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377091-18-4
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