![](/CAS/GIF/137890-04-1.gif)
Ethanone, 1-(1-methyl-1H-pyrazol-3-yl)- (9CI) synthesis
- Product Name:Ethanone, 1-(1-methyl-1H-pyrazol-3-yl)- (9CI)
- CAS Number:137890-04-1
- Molecular formula:C6H8N2O
- Molecular Weight:124.14
![1-(1-Methyl-1H-pyrazol-3-yl)-ethanol](/CAS/20180531/GIF/60031-47-2.gif)
60031-47-2
15 suppliers
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![Ethanone, 1-(1-methyl-1H-pyrazol-3-yl)- (9CI)](/CAS/GIF/137890-04-1.gif)
137890-04-1
45 suppliers
$155.00/50mg
Yield:137890-04-1 88%
Reaction Conditions:
with Dess-Martin periodane in dichloromethane at 20; for 2 h;
Steps:
3.3 Step 3) 1-(1-Methyl-1H-pyrazol-3-yl)acetaldehyde
Add 1-(1-methyl-1H-pyrazol-3-yl)ethanol (0.15 g, 1.2 mmol) to a 50 mL vialAnd dichloromethane (20.0 mL), Add Dess-Martin Oxidizer (1.0 g, 2.4 mmol) at room temperature.Stir at room temperature for 2 hours.Filtered, the filter cake was washed with dichloromethane, and the filtrate was dried.The residue was purified by neutral alumina column chromatography (petrole ether/ethyl acetate (v/v) = 6/1).A colorless oil (0.13 g, 88%).
References:
CN108690016,2018,A Location in patent:Paragraph 0420; 0429; 0430
![Ethanone, 1-(1H-pyrazol-3-yl)- (9CI)](/CAS/GIF/20583-33-9.gif)
20583-33-9
62 suppliers
$90.00/250mg
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74-88-4
341 suppliers
$15.00/10g
![Ethanone, 1-(1-methyl-1H-pyrazol-3-yl)- (9CI)](/CAS/GIF/137890-04-1.gif)
137890-04-1
45 suppliers
$155.00/50mg
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25016-20-0
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$9.00/100mg
![Ethanone, 1-(1-methyl-1H-pyrazol-3-yl)- (9CI)](/CAS/GIF/137890-04-1.gif)
137890-04-1
45 suppliers
$155.00/50mg
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84547-60-4
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137890-04-1
45 suppliers
$155.00/50mg
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27258-32-8
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$22.00/1g
![Ethanone, 1-(1-methyl-1H-pyrazol-3-yl)- (9CI)](/CAS/GIF/137890-04-1.gif)
137890-04-1
45 suppliers
$155.00/50mg