4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

Base Information

• Chemical Name: 4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
• CAS No.: 740845-82-3
• Molecular Formula: C₁₃H₁₆N₂O₂
• Molecular Weight: 232.282
• Mol file: 740845-82-3.mol

Synonyms:4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

Chemical Property of 4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

Chemical Property:

Purity/Quality:

Safty Information:

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• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

There total 4 articles about 4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one 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: 31.0%

(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-acetic acid methyl ester (111526-25-1) → 4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one (740845-82-3)

Guidance literature:

With sodium tetrahydroborate; calcium chloride monohydrate; In ethanol; at 0 - 20 ℃; for 1h;

Reference yield:

4-(2-hydroxy-ethyl)-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one (861210-10-8) + dimethyl sulfate (77-78-1) → 4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one (740845-82-3)

Guidance literature:

With methanol; sodium methylate;

Reference yield:

4-(2-hydroxy-ethyl)-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one (861210-10-8) + methyl iodide (74-88-4) → 4-(2-hydroxy-ethyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one (740845-82-3)

Guidance literature:

With methanol;

upstream raw materials:

3-acetyl-2-oxo-4,5-dihydrofuran

1-methyl-2-phenylhydrazine

4-(2-hydroxy-ethyl)-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one

dimethyl sulfate

Downstream raw materials:

methanesulfonic acid 2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-ethyl ester