1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde

Base Information

• Chemical Name: 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde
• CAS No.: 1351437-83-6
• Molecular Formula: C₁₁H₈Cl₂N₂O
• Molecular Weight: 255.103
• Mol file: 1351437-83-6.mol

Synonyms:1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde

Chemical Property of 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde

There total 4 articles about 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-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: 75.0%

(1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazol-3-yl)methanol (1226303-27-0) → 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde (1351437-83-6)

Guidance literature:

With manganese(IV) oxide; In dichloromethane; for 3.5h; Reflux;

Reference yield:

3,4-dichlorophenylhydrazine hydrochloride (19763-90-7) → 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde (1351437-83-6)

Guidance literature:

Multi-step reaction with 3 steps

1: acetic acid / 1 h / Reflux

2: sodium tetrahydroborate / ethanol / 5 h / Reflux

3: manganese(IV) oxide / dichloromethane / 3.5 h / Reflux

With manganese(IV) oxide; sodium tetrahydroborate; acetic acid; In ethanol; dichloromethane;

Reference yield:

ethyl 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate (1020724-07-5) → 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carbaldehyde (1351437-83-6)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium tetrahydroborate / ethanol / 5 h / Reflux

2: manganese(IV) oxide / dichloromethane / 3.5 h / Reflux

With manganese(IV) oxide; sodium tetrahydroborate; In ethanol; dichloromethane;

upstream raw materials:

3,4-dichlorophenylhydrazine hydrochloride

ethyl 2,4-diketopentanoate

ethyl 1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate

(1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazol-3-yl)methanol

Downstream raw materials:

1-(3,4-dichlorophenyl)-3-[2-methoxyvinyl]-5-methyl-1H-pyrazole

4-(2-(2-(1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazol-3-yl)ethoxy)ethyl)morpholine

[1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazol-3-yl]acetaldehyde

2-[1-(3,4-dichlorophenyl)-5-methyl-1H-pyrazol-3-yl]ethanol