2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester

Base Information

• Chemical Name: 2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester
• CAS No.: 778639-51-3
• Molecular Formula: C₁₆H₁₆ClN₃O₅
• Molecular Weight: 365.773
• Mol file: 778639-51-3.mol

Synonyms:2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester

Chemical Property of 2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

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Technology Process of 2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester

There total 1 articles about 2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester 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: 55.0%

5-chloro-2-hydroxyacetophenone (1450-74-4) + 1-methyl-2-nitro-3-propyl-1H-pyrazole-5-carboxylic acid (139756-00-6) → 2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester (778639-51-3)

Guidance literature:

With trichlorophosphate; In pyridine; at 0 - 5 ℃;

Reference yield: 72.0%

2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester (778639-51-3) → 1-(5-chloro-2-hydroxy-phenyl)-3-(2-methyl-4-nitro-5-propyl-2H-pyrazol-3-yl)-propane-1,3-dione (778639-64-8)

Guidance literature:

With potassium hydroxide; In pyridine; at 20 ℃;

Reference yield:

2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxylic acid 2-acetyl-4-chloro-phenyl ester (778639-51-3) → 4-(5-chloro-2-hydroxy-phenyl)-6-(2-methyl-4-nitro-5-propyl-2H-pyrazol-3-yl)-1H-pyrimidine-2-thione

Guidance literature:

Multi-step reaction with 3 steps

1: 72 percent / potassium hydroxide / pyridine / 20 °C

2: 77 percent / aq. HCl / ethanol / Heating

3: 47 percent / potassium hydroxide / ethanol / Heating

With hydrogenchloride; potassium hydroxide; In pyridine; ethanol;

upstream raw materials:

5-chloro-2-hydroxyacetophenone

1-methyl-2-nitro-3-propyl-1H-pyrazole-5-carboxylic acid

Downstream raw materials:

1-(5-chloro-2-hydroxy-phenyl)-3-(2-methyl-4-nitro-5-propyl-2H-pyrazol-3-yl)-propane-1,3-dione