2,5,6-trifluoropyridine-3,4-diaMine

Base Information

• Chemical Name: 2,5,6-trifluoropyridine-3,4-diaMine
• CAS No.: 6256-96-8
• Molecular Formula: C5H4F3N3
• Molecular Weight: 163.1
• Mol file: 6256-96-8.mol

Synonyms:3,4-Diamino-trifluorpyridin;2,5,6-trifluoro-pyridine-3,4-diamine;3,4-Diamino-2,5,6-trifluor-pyridin;3,4-diamino-trifluoropyridine;3,4-diamino-2,5,6-trifluoropyridine;2,5,6-Trifluoro-3,4-pyridinediamine;

Chemical Property of 2,5,6-trifluoropyridine-3,4-diaMine

Chemical Property:

• Melting Point: 116-117℃
• PSA: 64.93000
• LogP: 1.82570
• Storage Temp.: 2-8°C

Purity/Quality:

99% ^*data from raw suppliers

2,5,6-Trifluoropyridine-3,4-diamine 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5,6-trifluoropyridine-3,4-diaMine

There total 7 articles about 2,5,6-trifluoropyridine-3,4-diaMine 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: 98.0%

4-amino-3-nitro-2,5,6-trifluoropyridine (405230-88-8) → 3,4-diamino-2,5,6-trifluoropyridine (6256-96-8)

Guidance literature:

With hydrogen; nickel; In ethanol; for 2h; under 1861.73 Torr;

DOI:10.1081/NCN-100108327

Reference yield:

4-nitro-2,3,5,6-tetrafluoropyridine (3511-89-5) + ammonia (7664-41-7) → 2,4,5-triamino-difluoropyridine (23862-40-0) + 3,4-diamino-2,5,6-trifluoropyridine (6256-96-8)

Guidance literature:

In diethyl ether; 0 °C, 4 h, dry ether;; chromatography;;

DOI:10.1039/j39660000220

Reference yield:

4-Amino-2,3,6-trifluoropyridine (63489-55-4) → 3,4-diamino-2,5,6-trifluoropyridine (6256-96-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 88 percent / conc. H₂SO₄; KNO₃ / 0 - 20 °C

2: 40 percent / conc. H₂SO₄ / 18 h / 20 °C

3: 98 percent / H₂ / Raney Ni / ethanol / 2 h / 1861.73 Torr

With sulfuric acid; hydrogen; potassium nitrate; nickel; In ethanol;

DOI:10.1081/NCN-100108327

upstream raw materials:

4-amino-3-nitro-2,5,6-trifluoropyridine

4-Amino-2,3,6-trifluoropyridine

4-amino-3-chloro-2,5,6-trifluoropyridine

3-chloro-2,4,5,6-tetrafluoropyridine

Downstream raw materials:

4,6,7-trifluoroimidazo[4,5-c]pyridine

1-[(1-acetyloxy-1-ethoxy)methyl]-4,6,7-trifluoroimidazo[4,5-c]pyridine

4,6,7-trifluoro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)imidazo[4,5-c]pyridine

4,6,7-trifluoro-3-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)imidazo[4,5-c]pyridine

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