ChemicalBook--->CAS DataBase List--->486460-20-2

486460-20-2

486460-20-2 Structure

486460-20-2 Structure
IdentificationBack Directory
[Name]

3-(Trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine
[CAS]

486460-20-2
[Synonyms]

3-(TRIFLUOROMETHYL)-1,2,4-TRIAZOLO[4,3-A]-PYRAZINE
1,2,4-Triazolo[4,3-a]pyrazine, 3-(trifluoromethyl)-
3-(TRIFLUOROMETHYL)-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE,95% MIN(HPLC)
[Molecular Formula]

C6H3F3N4
[MDL Number]

MFCD09029664
[MOL File]

486460-20-2.mol
[Molecular Weight]

188.11
Chemical PropertiesBack Directory
[density ]

1.69±0.1 g/cm3(Predicted)
[storage temp. ]

2-8°C
[pka]

-2.40±0.30(Predicted)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

2-Hydrazinopyrazine-->Ethanehydrazonoyl bromide, 2,2,2-trifluoro-N-2-pyrazinyl--->Trifluoroacetic acid-->Toluene-->Triethylamine
[Preparation Products]

Sitagliptin N-Boc IMpurity-->3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride
Hazard InformationBack Directory
[Uses]

3-(Trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazine can be used as reactant/reagent in synthetic preparation of 3-amino-4-phenylbutanoic acid derivatives as dipeptidyl peptidase inhibitors for treatment or prevention of diabetes.
[Synthesis]

Ethanehydrazonoyl bromide, 2,2,2-trifluoro-N-2-pyrazinyl-

1447800-65-8

3-(Trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine

486460-20-2

General method: 10 mmol of compound 3 (CAS:1447800-65-8) was dissolved in 50 mL of toluene and 20 mmol of triethylamine was slowly added to the reaction system at room temperature with continuous stirring for 1 hour. The reaction process was monitored by thin layer chromatography (TLC). After the reaction was complete, the reaction mixture was slowly poured into 25 g of ice-water mixture, stirred thoroughly and left to stratify. The organic phase was separated and washed with 2 x 10 mL of cold water, followed by drying the organic phase with anhydrous sodium sulfate. Finally, the organic phase was concentrated under reduced pressure to give compound 4 in good yield.

[References]

[1] Letters in Organic Chemistry, 2013, vol. 10, # 5, p. 348 - 352
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