ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

Base Information

• Chemical Name: ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate
• CAS No.: 1454290-67-5
• Molecular Formula: C₁₄H₁₂BrF₃N₂O₂
• Molecular Weight: 377.161
• Mol file: 1454290-67-5.mol

Synonyms:ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

Chemical Property of ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

There total 3 articles about ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate 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:

5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazole (219986-65-9) + ethyl bromoacetate (105-36-2) → ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate (1454290-67-5)

Guidance literature:

With caesium carbonate; In acetonitrile; at 80 ℃; for 6h;

Reference yield:

para-bromoacetophenone (99-90-1) → ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate (1454290-67-5)

Guidance literature:

Multi-step reaction with 3 steps

1.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -78 °C

1.2: -78 - 20 °C

2.1: methanol / 1 h / Reflux

3.1: caesium carbonate / acetonitrile / 6 h / 80 °C

With caesium carbonate; lithium hexamethyldisilazane; In tetrahydrofuran; methanol; acetonitrile;

Reference yield:

4,4,4-trifluoro-1-(4-bromophenyl)butane-1,3-dione (18931-61-8) → ethyl 2-(5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate (1454290-67-5)

Guidance literature:

Multi-step reaction with 2 steps

1: methanol / 1 h / Reflux

2: caesium carbonate / acetonitrile / 6 h / 80 °C

With caesium carbonate; In methanol; acetonitrile;

upstream raw materials:

para-bromoacetophenone

4,4,4-trifluoro-1-(4-bromophenyl)butane-1,3-dione

5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazole

ethyl bromoacetate

Downstream raw materials:

ethyl 2-(5-(3'-(methylthio)-[1,1'-biphenyl]-4-yl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

ethyl 2-(5-(3’-(methylsulfonyl)-[1,1’-biphenyl]-4-yl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

ethyl 2-(4-bromo-5-(3'-(methylsulfonyl)biphenyl-4-yl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

2-(5-(3'-(methylsulfonyl)-[1,1'-biphenyl]-4-yl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetic acid