3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde

Base Information

• Chemical Name: 3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde
• CAS No.: 350997-68-1
• Molecular Formula: C10H7BrN2O
• Molecular Weight: 251.082
• Hs Code.: 2933199090
• European Community (EC) Number: 673-188-0
• DSSTox Substance ID: DTXSID20354577
• Wikidata: Q82132805
• Mol file: 350997-68-1.mol

Synonyms:3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde;350997-68-1;5-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde;3-(4-Bromo-phenyl)-1H-pyrazole-4-carbaldehyde;3-(4-bromophenyl)-1h-pyrazole-4-carboxaldehyde;SCHEMBL4246815;DTXSID20354577;TZBVFXKYORIJSU-UHFFFAOYSA-N;BBL036902;MFCD01133695;STK299210;AKOS000112378;AKOS001476783;VS-13769;BB 0249202;CS-0217188;EN300-70515;5-(4-Bromo-phenyl)-1H-pyrazole-4-carbalde hyde;Z275195646

Chemical Property of 3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde

Chemical Property:

• PSA: 45.75000
• LogP: 2.65170
• XLogP3: 2
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 2
• Exact Mass: 249.97418
• Heavy Atom Count: 14
• Complexity: 204

Purity/Quality:

98%min ^*data from raw suppliers

3-(4-Bromophenyl)-1H-pyrazole-4-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 41
• Safety Statements: 26-39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=CC=C1C2=C(C=NN2)C=O)Br

Technology Process of 3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde

There total 3 articles about 3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde 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: 86.0%

4'-bromoacetophenone semicarbazone (120445-88-7,20576-97-0) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde (350997-68-1)

Guidance literature:

N,N-dimethyl-formamide; With trichlorophosphate; at 5 ℃; for 0.25h;

4'-bromoacetophenone semicarbazone; at 65 ℃;

Reference yield:

4'-bromoacetophenone semicarbazone (120445-88-7,20576-97-0) → 3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde (350997-68-1)

Guidance literature:

With trichlorophosphate; In N,N-dimethyl-formamide; at 0 - 70 ℃; for 6.5h;

DOI:10.2174/1573406412666160822160156

Reference yield:

para-bromoacetophenone (99-90-1) → 3-(4-bromophenyl)-1H-pyrazole-4-carbaldehyde (350997-68-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: AcONa / ethanol / 0.75 h / Heating

1.2: ethanol / 1 h / Heating

2.1: 55 percent / POCl₃ / 40 - 80 °C

With sodium acetate; trichlorophosphate; In ethanol; 2.1: Vilsmeier formylation;

DOI:10.1007/s11176-005-0318-7

upstream raw materials:

4'-bromoacetophenone semicarbazone

N,N-dimethyl-formamide

para-bromoacetophenone

Downstream raw materials:

3-(4-bromo-phenyl)-1H-pyrazole-4-carboxylic acid

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 350997-68-1 3-(4-BROMO-PHENYL)-1H-PYRAZOLE-4-CARBALDEHYDE

Send

Send

Metric Ton KG G Pound L ML

Send

Send