ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate

Base Information

• Chemical Name: ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate
• CAS No.: 79291-38-6
• Molecular Formula: C₁₃H₁₃FN₄O₄
• Molecular Weight: 308.269
• Mol file: 79291-38-6.mol

Synonyms:ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate

Chemical Property of ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate

There total 2 articles about ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-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:

3-amino-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester (21230-43-3) + ice-brine + 1,4-difluoro-2-nitrobenzene (364-74-9) → ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate (79291-38-6)

Guidance literature:

With hydrogenchloride; In tetrahydrofuran; hexane;

Reference yield:

3-amino-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester (21230-43-3) + 1,4-difluoro-2-nitrobenzene (364-74-9) → ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate (79291-38-6)

Guidance literature:

With n-butyllithium; Yield given. Multistep reaction; 1) THF, hexane, -15 deg C, 10 min, 2) THF, r.t., 1 h;

DOI:10.1021/jm00132a012

Reference yield:

ethyl 3-<(4-fluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carboxylate (79291-38-6) → ethyl 3-(2-amino-4-fluoroanilino)-1-methylpyrazole-4-carboxylate (79305-68-3)

Guidance literature:

With hydrogen; palladium on activated charcoal; In ethanol; ethyl acetate; under 3102.9 Torr;

DOI:10.1021/jm00132a012

upstream raw materials:

3-amino-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester

1,4-difluoro-2-nitrobenzene

Downstream raw materials:

ethyl 3-(2-amino-4-fluoroanilino)-1-methylpyrazole-4-carboxylate