2-(TRIFLUOROMETHYL)-5,6,7,8-TETRAHYDRO-[1,2,4]TRIAZOLO[1,5-A]PYRAZINE

Base Information

• Chemical Name: 2-(TRIFLUOROMETHYL)-5,6,7,8-TETRAHYDRO-[1,2,4]TRIAZOLO[1,5-A]PYRAZINE
• CAS No.: 681249-57-0
• Molecular Formula: C6H7 F3 N4
• Molecular Weight: 192.144
• Hs Code.: 2933990090
• Mol file: 681249-57-0.mol

Synonyms:2-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine

Chemical Property of 2-(TRIFLUOROMETHYL)-5,6,7,8-TETRAHYDRO-[1,2,4]TRIAZOLO[1,5-A]PYRAZINE

Chemical Property:

• PSA: 42.74000
• Density: 1.72
• LogP: 0.72890
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C

Purity/Quality:

97% ^*data from raw suppliers

2-(Trifluoromethyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[1,5-a]pyrazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-(TRIFLUOROMETHYL)-5,6,7,8-TETRAHYDRO-[1,2,4]TRIAZOLO[1,5-A]PYRAZINE

There total 3 articles about 2-(TRIFLUOROMETHYL)-5,6,7,8-TETRAHYDRO-[1,2,4]TRIAZOLO[1,5-A]PYRAZINE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 50.8%

2,2,2-trifluoro-N’-hydroxy-N-pyrazin-2-ylacetimidamide (681249-55-8) → 2-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine (681249-57-0)

Guidance literature:

2,2,2-trifluoro-N’-hydroxy-N-pyrazin-2-ylacetimidamide; at 100 ℃; for 2h;

With palladium on activated charcoal; hydrogen; In methanol; at 20 ℃; under 760.051 Torr;

DOI:10.1021/jm4016284

Reference yield:

2-(trifluoromethyl)-5,6,7,8-tetrahydrogen-[1,2,4]triazolo[1,5-α]pyrazine (681249-56-9) → 2-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine (681249-57-0)

Guidance literature:

With hydrogen; palladium 10% on activated carbon; In ethanol; at 20 ℃; for 18h;

Reference yield:

2,2,2-trifluoro-N-(pyrazin-2-yl)acetamide (129476-64-8) → 2-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine (681249-57-0)

Guidance literature:

Multi-step reaction with 2 steps

1.1: phosphorus pentachloride / dichloromethane / 4 h / Reflux

1.2: 2 h / 20 °C

2.1: polyphosphoric acid / 2 h / 100 °C

2.2: 20 °C / 760.05 Torr

With phosphorus pentachloride; In dichloromethane;

DOI:10.1021/jm4016284

upstream raw materials:

2-(trifluoromethyl)-5,6,7,8-tetrahydrogen-[1,2,4]triazolo[1,5-α]pyrazine

2,2,2-trifluoro-N-(pyrazin-2-yl)acetamide

2,2,2-trifluoro-N’-hydroxy-N-pyrazin-2-ylacetimidamide

Downstream raw materials:

C₂₁H₂₃F₆N₅O₃

tert-butyl 2-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[1,5-a]pyrazine-7(8H)-carboxylate