4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

Base Information

Chemical Name:4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester
CAS No.:1318789-68-2
Molecular Formula:C₁₂H₁₀ClFN₂O₃
Molecular Weight:284.674
Hs Code.:

Synonyms:4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

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Chemical Property of 4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

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Technology Process of 4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

There total 5 articles about 4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester 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:

: 1318789-61-5
1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

: 1318789-68-2
4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

Guidance literature:: With sulfuryl dichloride; acetic acid; at 20 ℃; for 4h;

Reference yield:

: 2924-15-4
(2-fluorophenyl)hydrazine hydrochloride

: 1318789-68-2
4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: sulfuric acid / water / 2.42 h

2: thionyl chloride / 4 h / 20 °C

3: potassium carbonate / water; 4-methyl-2-pentanone / 2.5 h / 20 °C

4: acetic acid; sulfuryl dichloride / 4 h / 20 °C

With thionyl chloride; sulfuryl dichloride; sulfuric acid; potassium carbonate; acetic acid; In water; 4-methyl-2-pentanone;

Reference yield:

: 762-42-5
dimethyl acetylenedicarboxylate

: 1318789-68-2
4-chloro-1-(2-fluorophenyl)-5-methoxy-1H-pyrazole-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: triethylamine / methanol / 17 h / 0 - 20 °C

2: potassium carbonate / water; 4-methyl-2-pentanone / 2.5 h / 20 °C

3: acetic acid; sulfuryl dichloride / 4 h / 20 °C

With sulfuryl dichloride; potassium carbonate; acetic acid; triethylamine; In methanol; water; 4-methyl-2-pentanone;