5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one

Base Information

• Chemical Name: 5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one
• CAS No.: 76973-30-3
• Molecular Formula: C₁₃H₁₃N₃O₃
• Molecular Weight: 259.265
• Mol file: 76973-30-3.mol

Synonyms:5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one

Chemical Property of 5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one

There total 2 articles about 5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-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: 90.0%

acetone (67-64-1) + 1-(4'-nitrophenyl)-3-methyl-5-pyrazolone (6402-09-1) → 5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one (76973-30-3)

Guidance literature:

for 240h; Heating;

Reference yield:

4-nitrophenylhydrazone (100-16-3) → 5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one (76973-30-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 72 percent / acetic acid / Heating

2: 72 percent / Heating

In acetic acid;

DOI:10.1002/jhet.5570240128

Reference yield: 95.0%

5-Methyl-4-(1-methylethylidene)-2-(4'-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one (76973-30-3) → 3,3',3'-Trimethyl-1-(4-nitro-phenyl)-pyrazolin-4-spiro-2'-oxiran-5-one (99367-76-7)

Guidance literature:

With sulfuric acid; dihydrogen peroxide; In diethyl ether; Ambient temperature;

upstream raw materials:

acetone

1-(4'-nitrophenyl)-3-methyl-5-pyrazolone

4-nitrophenylhydrazone

Downstream raw materials:

2-(4-Amino-phenyl)-4-isopropyl-5-methyl-1,2-dihydro-pyrazol-3-one

3,3',3'-Trimethyl-1-(4-nitro-phenyl)-pyrazolin-4-spiro-2'-oxiran-5-one

acetone

1-(4'-nitrophenyl)-3-methyl-5-pyrazolone