SOLVENT YELLOW 93

Base Information

• Chemical Name: SOLVENT YELLOW 93
• CAS No.: 190086-12-5
• Molecular Formula: C₂₁H₁₈N₄O₂
• Molecular Weight: 358.4

Synonyms:4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4h-pyrazol-4-ylidene)methyl]-2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one;Oil Yellow 93

Chemical Property of SOLVENT YELLOW 93

Chemical Property:

• PSA: 65.34000
• LogP: 2.37560

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

SDS file from LookChem

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Technology Process of SOLVENT YELLOW 93

There total 18 articles about SOLVENT YELLOW 93 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: 80.0%

6-hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-carbaldehyde (139958-85-3) + edaravone (89-25-8) → 1-phenyl-3-methyl-4-(1-phenyl-3-methyl-5-oxo-4-pyrazolylidene)methylene-5-pyrazolone (4702-90-3,190086-12-5) + 6-hydroxy-1,3-dimethyluracil (41949-07-9)

Guidance literature:

With piperidine; In ethanol; at 20 ℃; for 0.5h;

DOI:10.1055/s-0029-1217536

Reference yield: 80.0%

6-[allyl(methyl)amino]-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde (1188497-81-5) + edaravone (89-25-8) → 1,3-dimethyl-6-N,N-(allylmethyl)aminouracil (105459-37-8) + 1-phenyl-3-methyl-4-(1-phenyl-3-methyl-5-oxo-4-pyrazolylidene)methylene-5-pyrazolone (4702-90-3,190086-12-5)

Guidance literature:

With N-ethyl-N,N-diisopropylamine; In ethanol; for 2.5h; Reflux;

DOI:10.1055/s-0029-1217536

Reference yield: 80.0%

edaravone (89-25-8) + 1,3-Dimethyl-2,4-dioxo-6-pyrrolidin-1-yl-1,2,3,4-tetrahydro-pyrimidine-5-carbaldehyde (193696-10-5) → N,N-dimethyl-6-pyrrolidino uracil (74151-85-2) + 1-phenyl-3-methyl-4-(1-phenyl-3-methyl-5-oxo-4-pyrazolylidene)methylene-5-pyrazolone (4702-90-3,190086-12-5)

Guidance literature:

With N-ethyl-N,N-diisopropylamine; In ethanol; for 2.5h; Reflux;

DOI:10.1055/s-0029-1217536

upstream raw materials:

ethanol

3-[3H-indol-3-ylidenemethyl]-1H-indole

edaravone

sodium dimethylamino(1-phenyl-3-methyl-5-oxo-4-pyrazolylidene)acetate

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