ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

Base Information

• Chemical Name: ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate
• CAS No.: 1260400-19-8
• Molecular Formula: C₁₅H₁₃BrCl₂N₂O₃
• Molecular Weight: 420.09

Synonyms:ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

Chemical Property of ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

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Technology Process of ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

There total 1 articles about ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-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: 77.0%

ethyl 4-acetyl-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate (1201911-50-3) → ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate (1260400-19-8)

Guidance literature:

With sulfuric acid; bromine; In acetic acid; for 7h;

DOI:10.1134/S1070428010100192

Reference yield: 83.0%

5-phenyl-1,3,4-oxadiazole-2(3H)-thione (3004-42-0) + ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate (1260400-19-8) → ethyl 1-(2,4-dichlorophenyl)-5-methyl-4-[1-oxo-2-(5-phenyl-1,3,4-oxadiazol-2-ylsulfanyl)ethyl]-1H-pyrazole-3-carboxylate (1260400-46-1)

Guidance literature:

5-phenyl-1,3,4-oxadiazole-2(3H)-thione; With triethylamine; In ethanol; for 0.5h;

ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate; In ethanol; for 3h; Reflux;

DOI:10.1134/S1070428010100192

Reference yield: 82.0%

2-thioxo-3H-1,3-benzothiazole (149-30-4,81605-65-4) + ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate (1260400-19-8) → ethyl 4-[2-(1,3-benzothiazol-2-ylsulfanyl)-1-oxoethyl]-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate (1260400-38-1)

Guidance literature:

2-thioxo-3H-1,3-benzothiazole; With triethylamine; In ethanol; for 0.5h;

ethyl 4-(bromoacetyl)-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate; In ethanol; for 3h; Reflux;

DOI:10.1134/S1070428010100192

upstream raw materials:

ethyl 4-acetyl-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

Downstream raw materials:

ethyl 4-[2-(1,3-benzothiazol-2-ylsulfanyl)-1-oxoethyl]-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

ethyl 4-{2-[1-(4-chlorophenyl)-1H-tetrazol-5-ylsulfanyl]-1-oxoethyl}-1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

ethyl 1-(2,4-dichlorophenyl)-5-methyl-4-[1-oxo-2-(5-phenyl-1,3,4-oxadiazol-2-ylsulfanyl)ethyl]-1H-pyrazole-3-carboxylate

ethyl 1-(2,4-dichlorophenyl)-4-[2-(4,5-diphenyl-4H-1,2,4-triazol-3-ylsulfanyl)-1-oxoethyl]-5-methyl-1H-pyrazole-3-carboxylate

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