3-(2-FURYL)-1H-PYRAZOL-5-AMINE

Base Information

• Chemical Name: 3-(2-FURYL)-1H-PYRAZOL-5-AMINE
• CAS No.: 96799-02-9
• Molecular Formula: C7H7N3O
• Molecular Weight: 149.152
• Hs Code.: 2934999090
• Mol file: 96799-02-9.mol

Synonyms:3-(Furan-2-yl)-2H-pyrazol-5-ylamine;3-Amino-5-(2-furyl)pyrazole;5-(Furan-2-yl)-2H-pyrazol-3-ylamine;5-Amino-3-(furan-2-yl)-1H-pyrazole;5-Furan-2-yl-1H-pyrazol-3-ylamine;

Chemical Property of 3-(2-FURYL)-1H-PYRAZOL-5-AMINE

Chemical Property:

• Appearance/Colour: Brown crystalline powder
• Vapor Pressure: 1.35E-07mmHg at 25°C
• Melting Point: 126-130 °C(lit.)
• Refractive Index: 1.635
• Boiling Point: 429.9 °C at 760mmHg
• PKA: 14.80±0.10(Predicted)
• Flash Point: 213.8 °C
• PSA: 67.84000
• Density: 1.339 g/cm³
• LogP: 1.83310
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• Water Solubility.: Insoluble in water.

Purity/Quality:

99%, ^*data from raw suppliers

3-(2-Furyl)-1H-pyrazol-5-amine ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn, Xi
• Hazard Codes: Xn,Xi
• Statements: 22-36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 3-Amino-5-(2-furyl)-1H-pyrazole is used as a pharmaceutical intermediate.

Technology Process of 3-(2-FURYL)-1H-PYRAZOL-5-AMINE

There total 2 articles about 3-(2-FURYL)-1H-PYRAZOL-5-AMINE 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: 75.0%

2-furoylacetonitrile (31909-58-7) → 5-furan-2-yl-2H-pyrazol-3-ylamine (96799-02-9)

Guidance literature:

With hydrazine hydrate; In methanol; at 150 ℃; for 0.0833333h; Microwave irradiation;

DOI:10.3762/bjoc.14.104

Reference yield:

→ 5-furan-2-yl-2H-pyrazol-3-ylamine (96799-02-9)

Guidance literature:

Reference yield: 72.0%

Indole-3-carboxaldehyde (487-89-8,1228547-52-1) + 5-furan-2-yl-2H-pyrazol-3-ylamine (96799-02-9) → C16H12N4O (1195784-84-9)

Guidance literature:

With aluminum (III) chloride; In methanol; at 70 ℃; regioselective reaction;

DOI:10.1021/ol902147u

upstream raw materials:

2-furoylacetonitrile

Downstream raw materials:

7-Furan-2-yl-2-phenyl-4-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a][1,3,5]triazine

2-(4-Chloro-phenyl)-7-furan-2-yl-4-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a][1,3,5]triazine

C₁₉H₁₅Cl₂N₃O₃

C₂₂H₂₄FN₉O

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