[5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol

Base Information

• Chemical Name: [5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol
• CAS No.: 797053-35-1
• Molecular Formula: C₁₆H₁₁Cl₃N₂O
• Molecular Weight: 353.635

Synonyms:[5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol

Chemical Property of [5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol

Chemical Property:

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Technology Process of [5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol

There total 3 articles about [5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol 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: 88.0%

5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazole-4-carboxylic acid ethyl ester (797053-24-8) → [5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol (797053-35-1)

Guidance literature:

With diisobutylaluminium hydride; In toluene; at -78 ℃; for 0.75h;

DOI:10.1016/j.bmc.2004.07.029

Reference yield:

2,4-dichlorophenyl hydrazine hydrochloride (5446-18-4) → [5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol (797053-35-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 91 percent / ethanol / 2 h / Heating

2: 88 percent / DIBAL-H / toluene / 0.75 h / -78 °C

With diisobutylaluminium hydride; In ethanol; toluene;

DOI:10.1016/j.bmc.2004.07.029

Reference yield:

ethyl 2-chloro-α-[(dimethylamino)methylene]-β-oxo-benzenepropanoate (162509-14-0) → [5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-methanol (797053-35-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 91 percent / ethanol / 2 h / Heating

2: 88 percent / DIBAL-H / toluene / 0.75 h / -78 °C

With diisobutylaluminium hydride; In ethanol; toluene;

DOI:10.1016/j.bmc.2004.07.029

upstream raw materials:

5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazole-4-carboxylic acid ethyl ester

2,4-dichlorophenyl hydrazine hydrochloride

ethyl 2-chloro-α-[(dimethylamino)methylene]-β-oxo-benzenepropanoate

Downstream raw materials:

[5-(2-chloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-4-yl]-phenyl-methanol

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