4,5-diMethyl-1H-pyrazol-3-ol

Base Information

• Chemical Name: 4,5-diMethyl-1H-pyrazol-3-ol
• CAS No.: 4344-72-3
• Molecular Formula: C5H8N2O
• Molecular Weight: 112.131
• Hs Code.: 2933199090
• Mol file: 4344-72-3.mol

Synonyms:m-tolyl(p-tolyl)methanol;3,4-Dimethyl-pyrazolon-(5);3,4'-Dimethylbenzhydrol;3,4-Dimethyl-pyrazolin-5-on;m,p'-Dimethylbenzhydrol;3,4-Dimethyl-pyrazol-5-on;4,5-dimethyl-1,2-dihydro-pyrazol-3-one;

Chemical Property of 4,5-diMethyl-1H-pyrazol-3-ol

Chemical Property:

• PSA: 48.91000
• LogP: 0.73210

Purity/Quality:

95% ^*data from raw suppliers

4,5-dimethyl-1,2-dihydro-pyrazol-3-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,5-diMethyl-1H-pyrazol-3-ol

There total 3 articles about 4,5-diMethyl-1H-pyrazol-3-ol 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:

hydrogenchloride (7647-01-0,15364-23-5) + bis-(2-ethoxycarbonyl-1-methyl-propylidene)-hydrazine → 2-acetylpropanoic acid ethyl ester (609-14-3) + 4,5-dimethyl-1,2-dihydro-pyrazol-3-one (4344-72-3)

Guidance literature:

Reference yield:

3-methyl-2-pyrazoline-5-one (108-26-9) → 4,5-dimethyl-1,2-dihydro-pyrazol-3-one (4344-72-3) + butyric acid (107-92-6)

Guidance literature:

With sodium methylate; at 250 ℃;

Reference yield:

1,2-dihydro-5-methyl-3H-pyrazol-3-one (4344-87-0) + sodium methylate (124-41-4) → 4,5-dimethyl-1,2-dihydro-pyrazol-3-one (4344-72-3) + butyric acid (107-92-6)

Guidance literature:

at 250 ℃; analog verlaeuft die Reaktion mit Natriumaethylat und Natriumpropylat;

upstream raw materials:

1,2-dihydro-5-methyl-3H-pyrazol-3-one

sodium methylate

3-methyl-2-pyrazoline-5-one

hydrogenchloride

Downstream raw materials:

4,5-Dimethyl-1-(1,3,5-tri-tert-butyl-4-oxo-cyclohexa-2,5-dienyl)-2-(1,3,5-tri-tert-butyl-6-oxo-cyclohexa-2,4-dienyl)-1,2-dihydro-pyrazol-3-one

4,5-Dimethyl-1,2-bis-(1,3,5-tri-tert-butyl-4-oxo-cyclohexa-2,5-dienyl)-1,2-dihydro-pyrazol-3-one

3,4-dimethyl-4-chloro-2-pyrazolin-5-one

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