5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid

Base Information

Chemical Name:5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid
CAS No.:1279106-90-9
Molecular Formula:C₂₅H₁₇F₂N₃O₄S
Molecular Weight:493.49
Hs Code.:

Synonyms:5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid

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Chemical Property of 5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid

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Technology Process of 5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid

There total 8 articles about 5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-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: 50.0%

: 1279106-89-6
5-[1 Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid methyl ester

: 1279106-90-9
5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid

Guidance literature:: 5-[1 Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid methyl ester; With water; lithium hydroxide; In tetrahydrofuran; methanol; at 25 ℃; for 6h;

With hydrogenchloride; In water; pH=1;

Reference yield:

: 13670-99-0
2,6-difluoroacetophenone

: 1279106-90-9
5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid

Guidance literature:: Multi-step reaction with 8 steps

1.1: potassium acetate / ethanol / 16 h / 25 °C

2.1: polyphosphoric acid / 2 h / 130 °C

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

3.2: 0 - 25 °C

4.1: potassium carbonate / 1,4-dioxane / 25 - 110 °C

5.1: potassium carbonate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / 1,4-dioxane / 4 h / 100 °C / Inert atmosphere

6.1: sodium nitrite / sulfuric acid / water; acetonitrile / 0.5 h / Cooling with ice

6.2: 0.5 h / 0 °C

7.1: 1,3-bis-(diphenylphosphino)propane; triethylamine / palladium diacetate / methanol / 18 h / 80 °C / 11377.6 Torr / Inert atmosphere; Autoclave

8.1: water; lithium hydroxide / tetrahydrofuran; methanol / 6 h / 25 °C

8.2: pH 1

With 1,3-bis-(diphenylphosphino)propane; water; potassium acetate; sodium hydride; potassium carbonate; triethylamine; lithium hydroxide; sodium nitrite; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sulfuric acid; palladium diacetate; In tetrahydrofuran; 1,4-dioxane; methanol; ethanol; water; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

: 1188072-92-5
5-bromo-2-(2,6-difluoro-phenyl)-1H-indole

: 1279106-90-9
5-[1-Benzenesulfonyl-2-(2,6-difluoro-phenyl)-1H-indol-5-yl]-1-methyl-1H-pyrazole-3-carboxylic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 0 °C

1.2: 0 - 25 °C

2.1: potassium carbonate / 1,4-dioxane / 25 - 110 °C

3.1: potassium carbonate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / 1,4-dioxane / 4 h / 100 °C / Inert atmosphere

4.1: sodium nitrite / sulfuric acid / water; acetonitrile / 0.5 h / Cooling with ice

4.2: 0.5 h / 0 °C

5.1: 1,3-bis-(diphenylphosphino)propane; triethylamine / palladium diacetate / methanol / 18 h / 80 °C / 11377.6 Torr / Inert atmosphere; Autoclave

6.1: water; lithium hydroxide / tetrahydrofuran; methanol / 6 h / 25 °C

6.2: pH 1

With 1,3-bis-(diphenylphosphino)propane; water; sodium hydride; potassium carbonate; triethylamine; lithium hydroxide; sodium nitrite; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sulfuric acid; palladium diacetate; In tetrahydrofuran; 1,4-dioxane; methanol; water; N,N-dimethyl-formamide; acetonitrile;