2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester

Base Information

• Chemical Name: 2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester
• CAS No.: 108446-85-1
• Molecular Formula: C₂₃H₂₁ClN₂O₄
• Molecular Weight: 424.884
• Mol file: 108446-85-1.mol

Synonyms:2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester

Chemical Property of 2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of 2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester

There total 2 articles about 2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl 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: 80.0%

diethyl malonate (105-53-3) + 1-phenyl-3-(4-chlorophenyl)-4-pyrazolecarboxaldehyde (36663-00-0) → 2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester (108446-85-1)

Guidance literature:

With piperidine;

Reference yield:

p-chloroacetophenone phenylhydrazone (57845-08-6) → 2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester (108446-85-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 89.6 percent / POCl₃

2: 80 percent / piperidine

With piperidine; trichlorophosphate;

Reference yield: 76.6%

2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid diethyl ester (108446-85-1) → 2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid (108446-67-9)

Guidance literature:

With sodium hydroxide; In methanol; water; for 2h; Heating;

upstream raw materials:

diethyl malonate

1-phenyl-3-(4-chlorophenyl)-4-pyrazolecarboxaldehyde

p-chloroacetophenone phenylhydrazone

Downstream raw materials:

2-[3-(4-Chloro-phenyl)-1-phenyl-1H-pyrazol-4-ylmethylene]-malonic acid

3-(3-(4-chlorophenyl)-1-phenyl-1H-pyrazol-4-yl)acrylic acid

β-[3-(p-Chlorophenyl)-1-phenylpyrazol-4-yl]propionic acid