6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone

Base Information

• Chemical Name: 6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone
• CAS No.: 135128-61-9
• Molecular Formula: C₂₂H₂₂N₄O₃
• Molecular Weight: 390.442
• Mol file: 135128-61-9.mol

Synonyms:6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone

Chemical Property of 6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone

There total 3 articles about 6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone 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: 60.0%

4,5-Dihydro-α-<2-(4-ethoxyphenyl)-2-oxoethyl>-3-methyl-5-oxo-1-phenyl-1H-pyrazole-4-acetic acid (135128-60-8) → 6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone (135128-61-9)

Guidance literature:

With hydrazine hydrate; In ethanol; for 5h; Heating;

DOI:10.1246/bcsj.64.2032

Reference yield:

(E)-4-(4-ethoxyphenyl)-4-oxobut-2-enoic acid (29582-31-8) → 6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone (135128-61-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 46 percent / benzene / 10 h / Heating

2: 60 percent / hydrazine hydrate / ethanol / 5 h / Heating

With hydrazine hydrate; In ethanol; benzene;

DOI:10.1246/bcsj.64.2032

Reference yield:

edaravone (89-25-8) → 6-(p-Ethoxyphenyl)-4-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4,5-dihydro-3(2H)-pyridazinone (135128-61-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 46 percent / benzene / 10 h / Heating

2: 60 percent / hydrazine hydrate / ethanol / 5 h / Heating

With hydrazine hydrate; In ethanol; benzene;

DOI:10.1246/bcsj.64.2032

upstream raw materials:

4,5-Dihydro-α-<2-(4-ethoxyphenyl)-2-oxoethyl>-3-methyl-5-oxo-1-phenyl-1H-pyrazole-4-acetic acid

(E)-4-(4-ethoxyphenyl)-4-oxobut-2-enoic acid

edaravone

Downstream raw materials:

6-(4-Ethoxy-phenyl)-2-ethyl-4-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-4,5-dihydro-2H-pyridazin-3-one

6-(4-Ethoxy-phenyl)-5-(4-methoxy-benzyl)-4-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-2H-pyridazin-3-one

6-(4-Ethoxy-phenyl)-4-(3-methyl-1-phenyl-5-thioxo-4,5-dihydro-1H-pyrazol-4-yl)-2H-pyridazine-3-thione

3-Chloro-4-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-6-(4-ethoxy-phenyl)-4,5-dihydro-pyridazine