Terephthalaldehyde synthesis
- Product Name:Terephthalaldehyde
- CAS Number:623-27-8
- Molecular formula:C8H6O2
- Molecular Weight:134.13
589-29-7
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623-27-8
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Yield:623-27-8 99%
Reaction Conditions:
with 1-methyl-1H-imidazole;copper(I) oxide;2,2,6,6-Tetramethyl-1-piperidinyloxy free radical in acetonitrile at 25; for 24 h;
Steps:
8 Example 8
In a 25 mL reaction flask,Add cuprous oxide (17.9mg, 0.125mmol),Followed by addition of N-methylimidazole (20.5mg, 0.25mmol), TEMPO (39.1mg, 0.25mmol)And 1,4-benzenedimethanol (690.8 mg, 5 mmol),5 mL of acetonitrile.Stir vigorously in air at 25 ° C for 24 h.After the 24h reaction stopped,Pipette 0.2 mL of the reaction solution,Then use a acetonitrile to make a volume in a 5 mL volumetric flask.Filtration using an organic microfiltration membrane,Pipette 0.2 μL of the filtered solution into the sample.The product was analyzed by gas chromatography-mass spectrometry.1,4-benzenedialdehyde yield 99%,Gas phase analysis was 99% pure.
References:
CN108997095,2018,A Location in patent:Paragraph 0031; 0032; 0050
93007-21-7
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623-27-8
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106-42-3
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623-27-8
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105-07-7
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623-27-8
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