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

Base Information

Chemical Name:5-(benzyloxy)-6-(N-ethylmethylsulfonamido)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridine-3-carboxylic acid
CAS No.:1215107-21-3
Molecular Formula:C₂₄H₂₂FN₃O₅S
Molecular Weight:483.52
Hs Code.:

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

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

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

There total 5 articles about 5-(benzyloxy)-6-(N-ethylmethylsulfonamido)-2-(4-fluorophenyl)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: 86.0%

: 1215107-20-2
ethyl 5-(benzyloxy)-6-(N-ethylmethylsulfonamido)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridine-3-carboxylate

: 1215107-21-3
5-(benzyloxy)-6-(N-ethylmethylsulfonamido)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridine-3-carboxylic acid

Guidance literature:: ethyl 5-(benzyloxy)-6-(N-ethylmethylsulfonamido)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridine-3-carboxylate; With water; sodium hydroxide; In ethanol; at 45 ℃; for 14h;

With hydrogenchloride; In water; pH=3;

Reference yield:

: 1736-31-8
ethyl 3-(4-fluorophenyl)propiolate

: 1215107-21-3
5-(benzyloxy)-6-(N-ethylmethylsulfonamido)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridine-3-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: potassium carbonate / N,N-dimethyl-formamide / 0 - 20 °C

2: trifluoroacetic acid / dichloromethane / 0 - 20 °C

3: potassium carbonate / N,N-dimethyl-formamide / 0 - 20 °C

4: sodium hydroxide; water / ethanol / 14 h / 45 °C

With water; potassium carbonate; trifluoroacetic acid; sodium hydroxide; In ethanol; dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 766-98-3
1-ethynyl-4-fluorobenzene

: 1215107-21-3
5-(benzyloxy)-6-(N-ethylmethylsulfonamido)-2-(4-fluorophenyl)pyrazolo[1,5-a]pyridine-3-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1.1: n-butyllithium / diethyl ether / -78 °C

1.2: 1 h / -78 °C

2.1: potassium carbonate / N,N-dimethyl-formamide / 0 - 20 °C

3.1: trifluoroacetic acid / dichloromethane / 0 - 20 °C

4.1: potassium carbonate / N,N-dimethyl-formamide / 0 - 20 °C

5.1: sodium hydroxide; water / ethanol / 14 h / 45 °C

With n-butyllithium; water; potassium carbonate; trifluoroacetic acid; sodium hydroxide; In diethyl ether; ethanol; dichloromethane; N,N-dimethyl-formamide;