4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile

Base Information

Chemical Name:4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile
CAS No.:1189135-45-2
Molecular Formula:C₂₀H₁₅F₄N₃
Molecular Weight:373.353
Hs Code.:

Synonyms:4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile

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Chemical Property of 4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile

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Technology Process of 4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile

There total 5 articles about 4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile 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: 87.0%

: 1189140-61-1
4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazole

: 194853-86-6
4-fluoro-2-(trifluoromethyl)benzonitrile

: 1189135-45-2
4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile

Guidance literature:: 4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazole; With sodium hydride; In N,N-dimethyl-formamide; mineral oil; at 0 ℃; for 0.5h;

4-fluoro-2-(trifluoromethyl)benzonitrile; In N,N-dimethyl-formamide; mineral oil; at 0 - 20 ℃; for 20h;
DOI:10.1016/j.bmc.2012.02.005

Reference yield:

: 791809-56-8
3-(4-fluoro-benzyl)-pentane-2,4-dione

: 1189135-45-2
4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrazine hydrate / ethanol / 2 h / Reflux

2.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 °C

2.2: 20 h / 0 - 20 °C

With sodium hydride; hydrazine hydrate; In ethanol; N,N-dimethyl-formamide; mineral oil;
DOI:10.1016/j.bmc.2012.02.005

Reference yield:

: 459-46-1
4-Fluorobenzyl bromide

: 1189135-45-2
4-[4-(4-fluorobenzyl)-3,5-dimethyl-1H-pyrazol-1-yl]-2-(trifluoromethyl)benzonitrile

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium ethanolate / ethanol / 2.5 h / 50 °C / Reflux

2.1: hydrazine hydrate / ethanol / 2 h / Reflux

3.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 °C

3.2: 20 h / 0 - 20 °C

With sodium ethanolate; sodium hydride; hydrazine hydrate; In ethanol; N,N-dimethyl-formamide; mineral oil;
DOI:10.1016/j.bmc.2012.02.005