PYRAZOLO[1,5-A]PYRIDINE-2-CARBALDEHYDE synthesis
- Product Name:PYRAZOLO[1,5-A]PYRIDINE-2-CARBALDEHYDE
- CAS Number:885275-10-5
- Molecular formula:C8H6N2O
- Molecular Weight:146.15
![Pyrazolo[1,5-a]pyridin-2-ylmethanol](/CAS/GIF/76943-47-0.gif)
76943-47-0
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885275-10-5
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Yield:885275-10-5 91%
Reaction Conditions:
with manganese(IV) oxide in dichloromethane at 20; for 16 h;
Steps:
43B Example 43B - pyrazolo l ,5-a1pyridine-2-carbaldehvde (B-143)
To a mixture of compound B-142 (5.0 g, 34 mmol) in anhydrous dichloromethane (20 mL) was added manganese dioxide (30 g, 0.34 mol) at room temperature/The mixture was stirred at room temperature for 16 hours until TLC showed the reaction was completed. The reaction was filtered, and the filtrate was concentrated to give compound B-143 (4.5 g, 91% yield) as a brown oil.
References:
WO2015/66371,2015,A1 Location in patent:Paragraph 00286-00287
![Pyrazolo[1,5-a]pyridine-2-carboxamide, N-methoxy-N-methyl-](/CAS/20210305/GIF/936546-67-7.gif)
936546-67-7
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885275-10-5
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![PYRAZOLO[1,5-A]PYRIDINE-2-CARBOXYLIC ACID ETHYL ESTER](/CAS/GIF/80537-14-0.gif)
80537-14-0
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885275-10-5
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![Pyrazolo[1,5-a]pyridine-2-carboxylic acid](/CAS/GIF/63237-88-7.gif)
63237-88-7
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$24.00/250mg
885275-10-5
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$45.00/10mg
110-86-1
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$9.00/5g
885275-10-5
66 suppliers
$45.00/10mg