1-phenyl-3-(2-thienyl)-1H-pyrazole-4-carbaldehyde

Base Information

• Chemical Name: 1-phenyl-3-(2-thienyl)-1H-pyrazole-4-carbaldehyde
• CAS No.: 210825-11-9
• Molecular Formula: C14H10 N2 O S
• Molecular Weight: 254.312
• Hs Code.: 2934999090
• Mol file: 210825-11-9.mol

Synonyms:1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-4-carboxaldehyde

Chemical Property of 1-phenyl-3-(2-thienyl)-1H-pyrazole-4-carbaldehyde

Chemical Property:

• Vapor Pressure: 5.09E-08mmHg at 25°C
• Refractive Index: 1.675
• Boiling Point: 442.3°C at 760 mmHg
• Flash Point: 221.3°C
• PSA: 63.13000
• Density: 1.27g/cm³
• LogP: 3.41330
• Storage Temp.: 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

1-Phenyl-3-(2-thienyl)-1H-pyrazole-4-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-phenyl-3-(2-thienyl)-1H-pyrazole-4-carbaldehyde

There total 6 articles about 1-phenyl-3-(2-thienyl)-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: 82.0%

N,N-dimethyl-formamide (68-12-2,33513-42-7) + N-Phenyl-N'-[1-thiophen-2-yl-eth-(E)-ylidene]-hydrazine → 1-phenyl-3-thiophen-2-yl-1H-pyrazole-4-carbaldehyde (210825-11-9)

Guidance literature:

With trichlorophosphate; 1.) below 10 deg C, 1 h, 2.) r.t., 1 h then 60 deg C, 2 h;

Reference yield: 81.0%

1-[1-(thiophen-2-yl)ethylidene]-2-phenylhydrazine (55968-17-7) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 1-phenyl-3-thiophen-2-yl-1H-pyrazole-4-carbaldehyde (210825-11-9)

Guidance literature:

With trichlorophosphate;

DOI:10.2174/1570180813666161103145224

Reference yield: 75.0%

N-phenyl-N'-(1-thiophen-2-yl-ethylidene)-hydrazine + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 1-phenyl-3-thiophen-2-yl-1H-pyrazole-4-carbaldehyde (210825-11-9)

Guidance literature:

N,N-dimethyl-formamide; With trichlorophosphate; at 0 - 10 ℃; for 0.5h;

N-phenyl-N'-(1-thiophen-2-yl-ethylidene)-hydrazine; In DMF (N,N-dimethyl-formamide); at 0 - 60 ℃; for 3.16667h;

upstream raw materials:

N,N-dimethyl-formamide

2-Acetylthiophene

1-[1-(thiophen-2-yl)ethylidene]-2-phenylhydrazine

phenylhydrazine

Downstream raw materials:

(1-phenyl-3-thiophen-2-yl-1H-pyrazol-4-yl)-methanol

3-(1-phenyl-3-thiophen-2-yl-1H-pyrazol-4-yl)-acrylic acid

3-(1-phenyl-3-thiophen-2-yl-1H-pyrazol-4-yl)-acrylic acid

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