4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid

Base Information

• Chemical Name: 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid
• CAS No.: 129994-12-3
• Molecular Formula: C₂₄H₂₂N₂O₄
• Molecular Weight: 402.45

Synonyms:4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid

Chemical Property of 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid

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Technology Process of 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid

There total 5 articles about 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid 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%

2,2-dimethyl-5-phenyl-3,4-dihydro-2H-pyrrol-3-one 1-oxide (117853-94-8) → 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid (129994-12-3)

Guidance literature:

With manganese(IV) oxide; In diethyl ether; for 0.0833333h;

DOI:10.1007/BF00962395

Reference yield: 60.0%

4-(2,2-dimethyl-1-oxido-3-oxo-3,4-dihydro-2H-pyrrol-5-yl)benzoic acid (1233840-17-9) + 2,2-dimethyl-5-phenyl-3,4-dihydro-2H-pyrrol-3-one 1-oxide (117853-94-8) → 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid + 4-{3-[2-(4-carboxyphenyl)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-3-ylidene]-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl}benzoic acid + 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid (129994-12-3)

Guidance literature:

With manganese(IV) oxide; In acetonitrile; at 20 ℃; for 1h;

DOI:10.1134/S1070428010030176

Reference yield: 50.0%

3-chloro-1-hydroxy-5,5-dimethyl-4-oxo-2-pentafluorophenylpyrroline (127720-70-1) → 4-[3-(5,5-dimethyl-1-oxido-4-oxo-2-phenyl-4,5-dihydro-3H-pyrrol-3-ylidene)-5,5-dimethyl-1-oxido-4-oxo-4,5-dihydro-3H-pyrrol-2-yl]benzoic acid (129994-12-3)

Guidance literature:

With 15-crown-5; sodium cyanide; In acetonitrile; at 20 ℃; for 2h;

DOI:10.1007/BF02499074

upstream raw materials:

2,2-dimethyl-5-phenyl-3,4-dihydro-2H-pyrrol-3-one 1-oxide

sodium cyanide

3-chloro-1-hydroxy-5,5-dimethyl-4-oxo-2-pentafluorophenylpyrroline

1-Hydroxy-4-(2-oxo-2-phenyl-1-chloroethylidene)-2,2,5,5-tetramethylimidazolidine

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