4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

Base Information

• Chemical Name: 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide
• CAS No.: 1345041-87-3
• Molecular Formula: C₁₇H₁₄ClN₅O₄S
• Molecular Weight: 419.848

Synonyms:4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

Chemical Property of 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

There total 5 articles about 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide 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: 57.0%

4-[5-(4-chlorophenyl)-3-hydrazinocarbonyl-4,5-dihydro-pyrazol-1-yl]-benzenesulfonamide (1345041-78-2) + 1,1'-carbonyldiimidazole (530-62-1) → 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide (1345041-87-3)

Guidance literature:

With triethylamine; In tetrahydrofuran; at 0 - 20 ℃;

DOI:10.1016/j.bmcl.2011.08.061

Reference yield:

ethyl 2-oxo-4-(p-chlorophenyl)but-3-enoate (133678-11-2) → 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide (1345041-87-3)

Guidance literature:

Multi-step reaction with 3 steps

1.1: ethanol / 2 h / 25 - 30 °C / Inert atmosphere

1.2: 10 h / Inert atmosphere; Reflux

2.1: hydrazine hydrate / ethanol / 4 h / Reflux

3.1: triethylamine / tetrahydrofuran / 0 - 20 °C

With hydrazine hydrate; triethylamine; In tetrahydrofuran; ethanol;

DOI:10.1016/j.bmcl.2011.08.061

Reference yield:

potassium 4-(4-chlorophenyl)-2-oxobut-3-enoate (1000400-63-4) → 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide (1345041-87-3)

Guidance literature:

Multi-step reaction with 4 steps

1.1: thionyl chloride / 0 °C / Reflux

2.1: ethanol / 2 h / 25 - 30 °C / Inert atmosphere

2.2: 10 h / Inert atmosphere; Reflux

3.1: hydrazine hydrate / ethanol / 4 h / Reflux

4.1: triethylamine / tetrahydrofuran / 0 - 20 °C

With thionyl chloride; hydrazine hydrate; triethylamine; In tetrahydrofuran; ethanol;

DOI:10.1016/j.bmcl.2011.08.061

upstream raw materials:

ethyl 2-oxo-4-(p-chlorophenyl)but-3-enoate

potassium 4-(4-chlorophenyl)-2-oxobut-3-enoate

5-(4-chlorophenyl)-1-(4-sulfamoyl-phenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester

4-[5-(4-chlorophenyl)-3-hydrazinocarbonyl-4,5-dihydro-pyrazol-1-yl]-benzenesulfonamide

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 1345041-87-3 4-[5-(4-chloro-phenyl)-3-(5-hydroxy-[1,3,4]oxadiazol-2-yl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

Send

Send

Metric Ton KG G Pound L ML

Send

Send