4-(Pyridin-2-yl)-1H-pyrazol-5-amine

Base Information

• Chemical Name: 4-(Pyridin-2-yl)-1H-pyrazol-5-amine
• CAS No.: 493038-87-2
• Molecular Formula: C8H8 N4
• Molecular Weight: 160.178
• Hs Code.: 2933990090
• European Community (EC) Number: 858-028-1
• DSSTox Substance ID: DTXSID701297899
• Nikkaji Number: J2.548.284K
• Mol file: 493038-87-2.mol

Synonyms:493038-87-2;4-(Pyridin-2-yl)-1H-pyrazol-5-amine;4-PYRIDIN-2-YL-2H-PYRAZOL-3-YLAMINE;5-Amino-4-(2-pyridyl)pyrazole;4-(2-Pyridinyl)-1H-pyrazol-5-amine;57999-11-8;4-pyridin-2-yl-1H-pyrazol-5-amine;MFCD03617434;5-Amino-4-(pyridin-2-yl)-1H-pyrazole;1H-Pyrazol-3-amine, 4-(2-pyridinyl)-;SCHEMBL1924499;AMY2081;DTXSID701297899;3-amino-4-(2-pyridinyl)-pyrazole;AKOS000144204;4-(2-pyridinyl)-1H-Pyrazol-3-amine;4-(2-Pyridinyl)-5-amino-1H-pyrazole;SY007074;CS-0127075;FT-0680389;FT-0753962;EN300-1148401;4T-0060;A871818;Z316119396

Chemical Property of 4-(Pyridin-2-yl)-1H-pyrazol-5-amine

Chemical Property:

• Vapor Pressure: 3.14E-07mmHg at 25°C
• Melting Point: 120-121 °C(Solv: ethanol (64-17-5))
• Boiling Point: 419°Cat760mmHg
• PKA: 14.33±0.50(Predicted)
• Flash Point: 236.6°C
• PSA: 68.32000
• Density: 1.315g/cm³
• LogP: 0.98400
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• XLogP3: 0.5
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 160.074896272
• Heavy Atom Count: 12
• Complexity: 150

Purity/Quality:

98%min ^*data from raw suppliers

4-(Pyridin-2-yl)-1H-pyrazol-5-amine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=NC(=C1)C2=C(NN=C2)N

Technology Process of 4-(Pyridin-2-yl)-1H-pyrazol-5-amine

There total 10 articles about 4-(Pyridin-2-yl)-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: 78.0%

3-(dimethylamino)-2-(pyridin-2-yl)acrylonitrile (24403-32-5) → 5-amino-4-(pyridin-2-yl)-1H-pyrazole (493038-87-2)

Guidance literature:

With hydrazine monohydrobromide; In ethanol; water; at 80 ℃;

Reference yield: 75.0%

3-(dimethylamino)-2-(pyridin-2-yl)acrylonitrile (24403-32-5) → 1H-3-amino-4-(pyridine-2-yl)-pyrazole (493038-87-2)

Guidance literature:

With hydrazine hydrate; for 0.0333333h; Microwave irradiation;

DOI:10.3390/molecules14114406

Reference yield: 63.0%

pyridine-2-acetonitrile (2739-97-1) + N,N-dimethyl-formamide dimethyl acetal (4637-24-5) → 1H-3-amino-4-(pyridine-2-yl)-pyrazole (493038-87-2)

Guidance literature:

pyridine-2-acetonitrile; N,N-dimethyl-formamide dimethyl acetal; In ethanol; for 2.5h; Reflux; Autoclave; Large scale;

With hydrazine hydrate; In ethanol; for 10h; Time; Reflux; Large scale;

upstream raw materials:

(Z)-3-Dimethylamino-2-pyridin-2-yl-acrylonitrile

3-oxo-2-(pyridin-2-yl)propane nitrile

pyridine-2-acetonitrile

3-ethoxy-2-pyridin-2-ylacrylonitrile

Downstream raw materials:

C₃₆H₃₄N₄O₄

C₃₆H₃₄N₄O₄

2-[1-(2-fluoro-4-aminophenyl)-1H-pyrazol-4-yl]pyridine

N-benzyloxycarbonyl-3-fluoro-4-(4-(pyridin-2-yl)-1H-pyrazol-1-yl)aniline

Refernces

• 1、 Singleton, Justin D.,Dass, Reuben,Neubert, Nathaniel R.,Smith, Rachel M.,Webber, Zak,Hansen, Marc D.H.,Peterson, Matt A.. "Synthesis and biological evaluation of novel pyrazolo[1,5-a]pyrimidines: Discovery of a selective inhibitor of JAK1 JH2 pseudokinase and VPS34". . . Retrieved 2019/12/24.
• 2、 -. "Oxazolidinones compound and application thereof". . . Retrieved 2016/10/10.