ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate

Base Information

• Chemical Name: ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate
• CAS No.: 1383677-80-2
• Molecular Formula: C₁₂H₁₀BrFN₂O₂
• Molecular Weight: 313.126
• Mol file: 1383677-80-2.mol

Synonyms:ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate

Chemical Property of ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate

Chemical Property:

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Technology Process of ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate

There total 1 articles about ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-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: 43.0%

ethyl 3-bromoprop-2-ynoate (41658-03-1) + 3-(4-fluorophenyl)-3H-1,2,3-oxadiazol-1-ium-5-olate (5352-95-4) → ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate (1383677-80-2) + ethyl 4-bromo-1-(4-fluorophenyl)-1H-pyrazole-3-carboxylate (1383677-76-6)

Guidance literature:

In para-xylene; for 5h; regioselective reaction; Inert atmosphere; Reflux;

DOI:10.1016/j.tet.2012.04.093

Reference yield: 78.0%

ethyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate (1383677-80-2) + 2-anilineboronic acid pinacol ester (191171-55-8) → 2-(4-fluorophenyl)pyrazolo[4,3-c]quinolin-4(5H)-one

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In ethanol; para-xylene; water; for 24h; Inert atmosphere; Reflux;

DOI:10.1016/j.tet.2012.04.093

upstream raw materials:

ethyl 3-bromoprop-2-ynoate

3-(4-fluorophenyl)-3H-1,2,3-oxadiazol-1-ium-5-olate