5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid

Base Information

Chemical Name:5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid
CAS No.:1621705-63-2
Molecular Formula:C₂₃H₂₀FN₃O₅S
Molecular Weight:469.493
Hs Code.:

Synonyms:5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid

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Chemical Property of 5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid

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Technology Process of 5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid

There total 7 articles about 5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-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: 96.0%

: 1621705-62-1
methyl 5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylate

: 1621705-63-2
5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid

Guidance literature:: With lithium hydroxide monohydrate; water; In 1,4-dioxane; for 3h; Reflux;

Reference yield:

: 13091-23-1
4-chloro-3-nitropyridine

: 1621705-63-2
5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: Tris(3,6-dioxaheptyl)amine; potassium carbonate; potassium hydroxide / toluene / 2 h / 0 - 20 °C

2.1: ammonium chloride; iron / methanol; tetrahydrofuran; water / 3 h / Reflux

3.1: triethylamine / dichloromethane / 0 - 20 °C

3.2: 4 h / 20 °C

4.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 0 °C / Inert atmosphere

5.1: mesitylenesulfonylhydroxylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere

5.2: 0 - 20 °C / Inert atmosphere

6.1: lithium hydroxide; water / 1,4-dioxane / 3 h / Reflux

With Tris(3,6-dioxaheptyl)amine; water; mesitylenesulfonylhydroxylamine; iron; potassium carbonate; ammonium chloride; triethylamine; potassium hydroxide; lithium hydroxide; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide; toluene;

Reference yield:

: 80352-64-3
4-(benzyloxy)-3-nitropyridine

: 1621705-63-2
5-(benzyloxy)-2-(4-fluorophenyl)-6-(N-methylmethylsulfonamido)pyrazolo[1,5-a]pyridine-3-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1.1: ammonium chloride; iron / methanol; tetrahydrofuran; water / 3 h / Reflux

2.1: triethylamine / dichloromethane / 0 - 20 °C

2.2: 4 h / 20 °C

3.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 0 °C / Inert atmosphere

4.1: mesitylenesulfonylhydroxylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere

4.2: 0 - 20 °C / Inert atmosphere

5.1: lithium hydroxide; water / 1,4-dioxane / 3 h / Reflux

With water; mesitylenesulfonylhydroxylamine; iron; potassium carbonate; ammonium chloride; triethylamine; lithium hydroxide; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide;