Ethyl 4-nitro-1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate

Base Information

• Chemical Name: Ethyl 4-nitro-1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate
• CAS No.: 21443-85-6
• Molecular Formula: C₁₂H₁₀N₄O₆
• Molecular Weight: 306.235
• Hs Code.: 2933199090
• Mol file: 21443-85-6.mol

Synonyms:Ethyl 4-nitro-1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate

Chemical Property of Ethyl 4-nitro-1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate

Chemical Property:

• PSA: 135.76000
• LogP: 2.91180

Purity/Quality:

≥99% ^*data from raw suppliers

Ethyl4-nitro-1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Ethyl 4-nitro-1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate

There total 3 articles about Ethyl 4-nitro-1-(4-nitrophenyl)-1H-pyrazole-3-carboxylate 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: 8.0%

4-Chloro-1-(4-nitro-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester (123281-43-6) → 4-nitro-1-(4-nitro-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester (21443-85-6) + 4-Chloro-5-nitro-1-(4-nitro-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester (123281-44-7)

Guidance literature:

With nitric acid; acetic anhydride; at 5 - 10 ℃; for 6h;

Reference yield:

ethyl 4-hydroxy-1-(p-nitrophenyl)pyrazole-3-carboxylate (26502-55-6) → 4-nitro-1-(4-nitro-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester (21443-85-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 41 percent / POCl₃ / 5 h / Heating

2: 4 percent / Ac₂O/HNO₃ (fuming) / 6 h / 5 - 10 °C

With nitric acid; acetic anhydride; trichlorophosphate;

Reference yield:

→ 4-nitro-1-(4-nitro-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester (21443-85-6)

Guidance literature:

2-Morpholino-1-nitro-ethen, α-Chlor-(4-nitro-phenylhydrazono)-essigsaeure-ethylester, Et3N;

upstream raw materials:

4-Chloro-1-(4-nitro-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester

ethyl 4-hydroxy-1-(p-nitrophenyl)pyrazole-3-carboxylate

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