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CAS No. : | 90562-10-0 | MDL No. : | MFCD09744416 |
Formula : | C9H10Br2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HUOADVRCIRXGBF-UHFFFAOYSA-N |
M.W : | 277.98 | Pubchem ID : | 15153578 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
66% | With carbon tetrabromide; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 15.25 h; | Example 138. l-Bromo-4-(3-bromo-propyD-benzene (79); [0322] To a solution of compound 78 described in Example 137 (4.0 g, 19 mmol) inTHF (30 mL) at 0 °C under the argon atmosphere was added PPh3 (6.3 g, 24 mmol) followed by CBr4 (8.0 g, 24 mmol). The mixture was stirred at the same temperature for 15 min and then stirred at room temperature for additional 15 h. Most of the solvent was removed and the residue purified by flash chromatography on silica gel (hexane) to afford the title compound (3.5 g, 66percent) as a colorless oil.[0323] 1H NMR (500 MHz, DMSO-d6): δ 2.03-2.12 (m, 2H), 2.68 (t, J= 7.5 Hz, 2H), 3.49 (t, J= 6.5 Hz, 2H), 7.19 (d, J= 8.3 Hz, 2H), 7.47 (d, J= 8.3 Hz, 2H). |
66% | With carbon tetrabromide; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 15.25 h; | EXAMPLE 100. Synthesis of l-Broιtio-4-(3-Bromo-Propyl)-Benzene (Intermediate50150[02981 To a solution of intermediate 49 (Example 99) (4.0 g, 19 mmol) in THF (30 mL)O at 0 C under the argon atmosphere was added PPh3 (6.3 g, 24 mmol) followed by CBr4 (8.0 g, 24 mmol). The mixture was stirred at the same temperature for 15 min and then stirred at room temperature for additional 15 h. Most of the solvent was removed and the residue purified by flash chromatography on silica gel (hexane) to afford the title compound (3.5 g, 66percent) as a colorless oil.[0299] 1H NMR (500 MHz, DMSOd6): δ 2.03-2.12 (m, 2H), 2.68 (t, J= 7.5 Hz, 2H), 3.49 (t, J= 6.5 Hz, 2H), 7.19 (d, J= 8.3 Hz, 2H), 7.47 (d, J= 8.3 Hz, 2H). |
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1-Bromo-3-(2-bromoethyl)benzene
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