methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate

Base Information

Chemical Name:methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate
CAS No.:1341232-40-3
Molecular Formula:C₁₅H₁₀ClFN₂O₂
Molecular Weight:304.708
Hs Code.:

Synonyms:methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate

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Chemical Property of methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate

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Technology Process of methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate

There total 4 articles about methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-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: 89.0%

: 1341232-39-0
3-tert-butyl 6-methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-3,6-dicarboxylate

: 1341232-40-3
methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate

Guidance literature:: With trifluoroacetic acid; at 60 ℃; for 2h;

Reference yield:

: 67754-03-4
methyl 2,5-dichloronicotinate

: 1341232-40-3
methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium carbonate / bis-triphenylphosphine-palladium(II) chloride / 1,4-dioxane; water / 14.5 h / 80 °C / Inert atmosphere

2.1: mesitylenesulfonylhydroxylamine / diethyl ether; acetonitrile / 24 h / 20 °C

2.2: 5.25 h / 20 °C

3.1: trifluoroacetic acid / 2 h / 60 °C

With mesitylenesulfonylhydroxylamine; potassium carbonate; trifluoroacetic acid; bis-triphenylphosphine-palladium(II) chloride; In 1,4-dioxane; diethyl ether; water; acetonitrile;

Reference yield:

: 59782-85-3
2,5-dichloronicotinic acid

: 1341232-40-3
methyl 4-chloro-7-(3-fluorophenyl)pyrazolo[1,5-a]pyridine-6-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: N,N-dimethyl-formamide; oxalyl dichloride / dichloromethane / 18 h / 20 °C

1.2: 0.5 h / 0 °C

2.1: potassium carbonate / bis-triphenylphosphine-palladium(II) chloride / 1,4-dioxane; water / 14.5 h / 80 °C / Inert atmosphere

3.1: mesitylenesulfonylhydroxylamine / diethyl ether; acetonitrile / 24 h / 20 °C

3.2: 5.25 h / 20 °C

4.1: trifluoroacetic acid / 2 h / 60 °C

With oxalyl dichloride; mesitylenesulfonylhydroxylamine; potassium carbonate; N,N-dimethyl-formamide; trifluoroacetic acid; bis-triphenylphosphine-palladium(II) chloride; In 1,4-dioxane; diethyl ether; dichloromethane; water; acetonitrile;