ChemicalBook--->CAS DataBase List--->1373338-09-0

1373338-09-0

1373338-09-0 Structure

1373338-09-0 Structure
IdentificationBack Directory
[Name]

[1,2,4]Triazolo[1,5-a]pyridine-2-carbaldehyde
[CAS]

1373338-09-0
[Synonyms]

[1,2,4]Triazolo[1,5-a]pyridine-2-carbaldehyde
[1,2,4]Triazolo[1,5-a]pyridine-2-carboxaldehyde
[Molecular Formula]

C7H5N3O
[MDL Number]

MFCD24678370
[MOL File]

1373338-09-0.mol
[Molecular Weight]

147.13
Chemical PropertiesBack Directory
[density ]

1.39±0.1 g/cm3(Predicted)
[storage temp. ]

Inert atmosphere,Store in freezer, under -20°C
[pka]

0.08±0.30(Predicted)
[Appearance]

White to off-white Solid
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
Spectrum DetailBack Directory
[Spectrum Detail]

[1,2,4]Triazolo[1,5-a]pyridine-2-carbaldehyde(1373338-09-0)1HNMR
Hazard InformationBack Directory
[Synthesis]

[1,2,4]triazolo[1,5-a]pyridin-2-ylmethanol

265643-91-2

[1,2,4]Triazolo[1,5-a]pyridine-2-carbaldehyde

1373338-09-0

[1,2,4]Triazolo[1,5-a]pyridin-2-ylmethanol (0.35 g, 2.3 mmol) was used as the raw material, which was dissolved in ethanol (50 mL), and manganese dioxide (IV) (1.02 g, 11.5 mmol) was added. The reaction mixture was heated to reflux for 2 days. After completion of the reaction, it was cooled to room temperature and the solids were removed by diatomaceous earth filtration. The filtrate was concentrated and the resulting residue was purified by reversed-phase column chromatography (eluent: 10% v/v aqueous acetonitrile containing 0.01% NH3-H2O) to afford [1,2,4]triazolo[1,5-a]pyridine-2-carboxaldehyde (0.15 g, 43% yield) as a white solid.ESI MS: m/z 148 [M + H]+.

[References]

[1] Patent: US2012/178748, 2012, A1. Location in patent: Page/Page column 39
[2] Patent: WO2012/52451, 2012, A1. Location in patent: Page/Page column 119-120
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