4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide

Base Information

• Chemical Name: 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide
• CAS No.: 1135953-01-3
• Molecular Formula: C₁₆H₁₂BrN₃O₃S
• Molecular Weight: 406.26
• Mol file: 1135953-01-3.mol

Synonyms:4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide

Chemical Property of 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide

There total 7 articles about 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)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: 92.0%

C14H14BrN3O2S (911003-87-7) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide (1135953-01-3)

Guidance literature:

With trichlorophosphate; at 0 - 70 ℃;

DOI:10.1155/2020/6393428

Reference yield:

C19H17BrN4O3S (1135952-96-3) → 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide (1135953-01-3)

Guidance literature:

C₁₉H₁₇BrN₄O₃S; With methanol; sodium hydroxide; In tetrahydrofuran; at 20 ℃; for 14h;

With hydrogenchloride; In tetrahydrofuran; methanol; water; Cooling;

DOI:10.1016/j.ejmech.2011.01.060

Reference yield:

para-bromoacetophenone (99-90-1) → 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide (1135953-01-3)

Guidance literature:

Multi-step reaction with 3 steps

1.1: sodium acetate / water

1.2: 1 h / Reflux

2.1: trichlorophosphate / 5 h / 55 - 60 °C

3.1: methanol; sodium hydroxide / tetrahydrofuran / 14 h / 20 °C

3.2: Cooling

With methanol; sodium acetate; sodium hydroxide; trichlorophosphate; In tetrahydrofuran; water;

DOI:10.1016/j.ejmech.2011.01.060

upstream raw materials:

C₁₄H₁₄BrN₃O₂S

C₁₉H₁₇BrN₄O₃S

para-bromoacetophenone

4-hydrazinobenzene-1-sulfonamide hydrochloride

Downstream raw materials:

1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

C₁₆H₁₁BrN₄O₂S

1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carbothioamide

4-[3-(4-bromophenyl)-4-(hydrazinocarbonyl)-1H-pyrazole-1-yl]benzenesulfonamide