(1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde

Base Information

• Chemical Name: (1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde
• CAS No.: 1218792-48-3
• Molecular Formula: C₁₈H₁₁ClN₂O₂
• Molecular Weight: 322.751
• Mol file: 1218792-48-3.mol

Synonyms:(1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde

Chemical Property of (1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde

There total 2 articles about (1-benzofuran-2-yl)-1-(4-chlorophenyl)-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: 70.0%

(1-benzofuran-2-yl)ethan-2-one (4-chlorophenyl)hydrazone (387384-49-8) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → (1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde (1218792-48-3)

Guidance literature:

N,N-dimethyl-formamide; With trichlorophosphate; at 5 ℃; for 0.5h;

(1-benzofuran-2-yl)ethan-2-one (4-chlorophenyl)hydrazone; at 5 ℃; Reflux;

Reference yield:

salicylaldehyde (90-02-8) → (1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde (1218792-48-3)

Guidance literature:

Multi-step reaction with 3 steps

1: potassium carbonate / acetonitrile / 2 h / 80 °C

2: acetic acid / ethanol / 3 h / 20 °C

3: trichlorophosphate / chloroform / 5 h

With potassium carbonate; acetic acid; trichlorophosphate; In ethanol; chloroform; acetonitrile; 3: |Vilsmeier-Haack Formylation;

DOI:10.1016/j.bmcl.2018.11.005

Reference yield: 79.0%

tert-butylisonitrile (119072-55-8,7188-38-7) + (1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde (1218792-48-3) + p-toluidine (106-49-0,12221-03-3) → N-((3-(benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazol-4-yl)(1-tert-butyl-1H-tetrazol-5-yl)methyl)-4-methylaniline

Guidance literature:

(1-benzofuran-2-yl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde; p-toluidine; In methanol; at 20 ℃; for 0.166667h;

tert-butylisonitrile; With trimethylsilylazide; In methanol; at 20 ℃; for 6h;

DOI:10.1016/j.bmcl.2018.11.005

upstream raw materials:

(1-benzofuran-2-yl)ethan-2-one (4-chlorophenyl)hydrazone

N,N-dimethyl-formamide

salicylaldehyde