5-ethoxy-1H-pyrazol-3-amine

Base Information

• Chemical Name: 5-ethoxy-1H-pyrazol-3-amine
• CAS No.: 117717-10-9
• Molecular Formula: C5H9N3O
• Molecular Weight: 127.14446
• Hs Code.: 2933199090
• DSSTox Substance ID: DTXSID00597268
• Wikidata: Q82492777
• Mol file: 117717-10-9.mol

Synonyms:5-ethoxy-1H-pyrazol-3-amine;117717-10-9;3-ethoxy-1H-pyrazol-5-amine;5-ethoxypyrazol-3-amine;3-ethoxy-5-aminopyrazole;SCHEMBL1493270;DTXSID00597268;APZOMEQIPIJVMW-UHFFFAOYSA-N;AKOS006340098;AS-40461;DB-340864;EN300-372064

Chemical Property of 5-ethoxy-1H-pyrazol-3-amine

Chemical Property:

• PSA: 63.93000
• LogP: 0.97180
• XLogP3: 0.5
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 127.074561919
• Heavy Atom Count: 9
• Complexity: 88.3

Purity/Quality:

97% ^*data from raw suppliers

5-Ethoxy-1H-pyrazol-3-amine 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCOC1=NNC(=C1)N

Technology Process of 5-ethoxy-1H-pyrazol-3-amine

There total 2 articles about 5-ethoxy-1H-pyrazol-3-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: 11.0%

ethyl cyanoacetimidate hydrochloride (55244-11-6) → 3-ethoxy-1H-pyrazol-5-amine (117717-10-9)

Guidance literature:

With hydrazine; In ethanol; for 16h; Reflux;

Reference yield:

→ 5-ethoxy-1H-pyrazol-3-amine (117717-10-9)

Guidance literature:

Reference yield:

3-ethoxy-1H-pyrazol-5-amine (117717-10-9) → N-(2-ethoxypyrazolo[1,5-a]pyrimidin-6-yl)-2,6-difluoro-3-(propylsulfonamido)benzamide (1269515-18-5)

Guidance literature:

Multi-step reaction with 3 steps

1: acetic acid / 16 h / 22 - 40 °C

2: palladium 10% on activated carbon; hydrogen / ethanol / 4 h

3: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 15 h / 22 °C

With palladium 10% on activated carbon; hydrogen; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In ethanol; N,N-dimethyl-formamide;

DOI:10.1016/j.bmcl.2011.11.092

upstream raw materials:

ethyl cyanoacetimidate hydrochloride

Downstream raw materials:

N-(2-ethoxypyrazolo[1,5-a]pyrimidin-6-yl)-2,6-difluoro-3-(propylsulfonamido)benzamide