3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid

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Chemical Name:3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid
CAS No.:1313196-53-0
Molecular Formula:C₂₂H₁₇F₃N₂O₃
Molecular Weight:414.384
Hs Code.:

Synonyms:3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid

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Chemical Property of 3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid

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Technology Process of 3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid

There total 6 articles about 3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic 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: 92.0%

: 1313196-52-9
ethyl 3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylate

: 1313196-53-0
3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid

Guidance literature:: ethyl 3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylate; With water; sodium hydroxide; In tetrahydrofuran; ethanol; at 85 ℃; for 3h;

With hydrogenchloride; In tetrahydrofuran; ethanol; water;

Reference yield:

: 2003-10-3
2-bromo-1-[3-(trifluoromethyl)phenyl]ethanone

: 1313196-53-0
3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1.1: potassium carbonate / acetonitrile / 16 h / Reflux

2.1: hydrazine hydrate / ethylene glycol / 2 h / 130 °C

2.2: 2 h / 160 °C

3.1: potassium acetate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / N,N-dimethyl-formamide / 85 °C / Inert atmosphere

4.1: pyridine / copper(II) acetate monohydrate / 55 °C

5.1: sodium hydroxide; water / ethanol; tetrahydrofuran / 3 h / 85 °C

With pyridine; water; potassium acetate; potassium carbonate; hydrazine hydrate; sodium hydroxide; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; copper(II) acetate monohydrate; In tetrahydrofuran; ethanol; ethylene glycol; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

: 1207969-02-5
(4-bromo-1-benzofuran-2-yl)[3-(trifluoromethyl)phenyl]methanone

: 1313196-53-0
3,5-dimethyl-1-[2-[3-(trifluoromethyl-)benzyl]-1-benzofuran-4-yl]-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1.1: hydrazine hydrate / ethylene glycol / 2 h / 130 °C

1.2: 2 h / 160 °C

2.1: potassium acetate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / N,N-dimethyl-formamide / 85 °C / Inert atmosphere

3.1: pyridine / copper(II) acetate monohydrate / 55 °C

4.1: sodium hydroxide; water / ethanol; tetrahydrofuran / 3 h / 85 °C

With pyridine; water; potassium acetate; hydrazine hydrate; sodium hydroxide; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; copper(II) acetate monohydrate; In tetrahydrofuran; ethanol; ethylene glycol; N,N-dimethyl-formamide;