3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

Base Information

Chemical Name:3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid
CAS No.:1313196-35-8
Molecular Formula:C₂₂H₁₇F₃N₂O₂S
Molecular Weight:430.45
Hs Code.:

Synonyms:3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

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Chemical Property of 3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

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Technology Process of 3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

There total 7 articles about 3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-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: 86.0%

: 1313196-34-7
ethyl 3,5-dimethyl-1-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1H-pyrazole-4-carboxylate

: 1313196-35-8
3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

Guidance literature:: ethyl 3,5-dimethyl-1-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1H-pyrazole-4-carboxylate; With water; sodium hydroxide; In tetrahydrofuran; ethanol; at 80 ℃;

With hydrogenchloride; In tetrahydrofuran; ethanol; water;

Reference yield:

: 35691-93-1
3,5-Dimethyl-1H-pyrazole-4-carboxylic acid ethyl ester

: 1207970-76-0
4,4,5,5-tetramethyl-2-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1,3,2-dioxaborolane

: 1313196-35-8
3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: pyridine / copper(II) acetate hydrate / 72 h / 50 °C

2: sodium hydroxide; water / ethanol; tetrahydrofuran / 80 °C

With pyridine; water; sodium hydroxide; copper(II) acetate hydrate; In tetrahydrofuran; ethanol;

Reference yield:

: 1171926-64-9
(7-bromo-1-benzothiophen-2-yl)methanol

: 1313196-35-8
3,5-dimethyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1: triethylamine / tetrahydrofuran / 0 - 20 °C

2: caesium carbonate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / tetrahydrofuran; water / 60 °C

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

4: copper(II) acetate monohydrate; pyridine / 50 °C

5: sodium hydroxide / tetrahydrofuran; water; ethanol / 80 °C

With pyridine; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium acetate; copper(II) acetate monohydrate; caesium carbonate; triethylamine; sodium hydroxide; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide; 2: |Suzuki-Miyaura Coupling;
DOI:10.1016/j.bmc.2018.02.005