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CAS No. : | 29578-83-4 | MDL No. : | MFCD08061916 |
Formula : | C8H9BrO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | AOEVRCZZWJWKPG-UHFFFAOYSA-N |
M.W : | 201.06 | Pubchem ID : | 10679554 |
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 |
---|---|---|
With sodium hydroxide; dimethyl sulfate; In water; | EXAMPLE 9 A mixture of <strong>[74204-00-5]5-bromo-3-hydroxytoluene</strong> (93 g, 0.5 m) and sodium hydroxide (21 g, 0.5 m) in water (200 ml) is stirred at 10°, treated with dimethyl sulfate (63 g, 0.5 m) over 1 hour, refluxed for 2 hours and cooled. The mixture is diluted with water and extracted with ether. The ether extract is washed, dried with sodium sulfate and concentrated in vacuo to give 5-bromo-3-methoxytoluene. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
2 mmol <strong>[74137-36-3]3,5-dibromoanisole</strong> were dissolved in 10 ml THF and cooled to -78°C. 2.4 mmol of n- BuLi were added dropwise and stirring was continued for 15 min. 3 mmol of methyl iodide were added and the mixture was allowed to slowly warm to ca. -200C over a period of ca. 2 h. IM HCl and dichloromethane were added and the phases were separated. 1.65 mmol of crude 3-bromo-5- methylanisole were taken to the next step without further purification. |
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