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

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Chemical Name:ethyl 3,5-dimethyl-1-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1H-pyrazole-4-carboxylate
CAS No.:1313196-34-7
Molecular Formula:C₂₄H₂₁F₃N₂O₂S
Molecular Weight:458.504
Hs Code.:

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

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Chemical Property of ethyl 3,5-dimethyl-1-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1H-pyrazole-4-carboxylate

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Technology Process of ethyl 3,5-dimethyl-1-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1H-pyrazole-4-carboxylate

There total 4 articles about ethyl 3,5-dimethyl-1-(2-(3-(trifluoromethyl)benzyl)-1-benzothiophen-7-yl)-1H-pyrazole-4-carboxylate 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: 68.0%

: 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

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

Guidance literature:: With pyridine; copper(II) acetate hydrate; at 50 ℃; for 72h;

Reference yield:

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

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

Guidance literature:: Multi-step reaction with 4 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

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

Reference yield:

: C₁₀H₉BrO₃S₂

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

Guidance literature:: Multi-step reaction with 3 steps

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

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

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

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