Trimethylhydroquinone synthesis
- Product Name:Trimethylhydroquinone
- CAS Number:700-13-0
- Molecular formula:C9H12O2
- Molecular Weight:152.19
589-06-0
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$15.00/250mg
700-13-0
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$7.00/25g
Yield:700-13-0 94.7%
Reaction Conditions:
with hydrogen;sodium carbonate at 80;
Steps:
3 Example 3
Weigh 45.8g (0.2mol) brominated trimethylbenzoquinone in the autoclave,Join 100mL anisole dissolved,Join 3g catalyst Raney nickel,Add 30% sodium carbonate solution 72g,Water bath heated to 80 ,From the bottom of the mixture continued to pass into the hydrogen gas,The hydrogen pressure is maintained at three atmospheres,Bubbling reaction, the reaction 5-6 hours,At this point the basic consumption of raw materials finished.A small amount of dilute sulfuric acid was added to the mixture of reaction products to adjust the pH to 6, the oil phase was taken in layers,Washed repeatedly with 150 mL of water three times,The aqueous phase was extracted three times with 50 mL of anisole,The organic phases were combined and vacuum-distilled to give a crude solid product,Then recrystallized with gasoline,The target product trimethylhydroquinone 28.8g, yield 94.7%.
References:
CN106565423,2017,A Location in patent:Paragraph 0013; 0032; 0033
95-63-6
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700-13-0
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935-92-2
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700-13-0
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910228-93-2
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700-13-0
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4537-09-1
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700-13-0
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