3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid

Base Information

• Chemical Name: 3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid
• CAS No.: 1027942-07-9
• Molecular Formula: C₁₈H₁₁Cl₂FN₂O₂
• Molecular Weight: 377.202

Synonyms:3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid

Chemical Property of 3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid

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Technology Process of 3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid

There total 4 articles about 3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid 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:

malonic acid (141-82-2) + 3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazole-4-carbaldehyde (1026061-50-6) → 3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid (1027942-07-9)

Guidance literature:

With piperidine; pyridine; at 90 ℃; for 12h;

DOI:10.1021/jm010032c

Reference yield:

m-fluorophenylhydrazine (658-27-5) → 3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid (1027942-07-9)

Guidance literature:

Multi-step reaction with 3 steps

1.1: aq. AcOH / 15 h

2.1: POCl₃ / 0.5 h / 0 °C

2.2: 15 h

3.1: pyridine; piperidine / 12 h / 90 °C

With piperidine; pyridine; acetic acid; trichlorophosphate; 2.2: Vilsmeier-Haack reaction;

DOI:10.1021/jm010032c

Reference yield:

3',4'-dichloroacetophenone (2642-63-9) → 3-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acrylic acid (1027942-07-9)

Guidance literature:

Multi-step reaction with 3 steps

1.1: aq. AcOH / 15 h

2.1: POCl₃ / 0.5 h / 0 °C

2.2: 15 h

3.1: pyridine; piperidine / 12 h / 90 °C

With piperidine; pyridine; acetic acid; trichlorophosphate; 2.2: Vilsmeier-Haack reaction;

DOI:10.1021/jm010032c

upstream raw materials:

malonic acid

3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazole-4-carbaldehyde

m-fluorophenylhydrazine

3',4'-dichloroacetophenone

Downstream raw materials:

2-[3-(3,4-dichloro-phenyl)-1-(3-fluoro-phenyl)-1H-pyrazol-4-yl]-acetamide

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