4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester

Base Information

• Chemical Name: 4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester
• CAS No.: 123959-03-5
• Molecular Formula: C₂₉H₂₅N₃O₄
• Molecular Weight: 479.535

Synonyms:4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester

Chemical Property of 4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester

Chemical Property:

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Technology Process of 4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester

There total 4 articles about 4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester 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: 56.0%

1-phenyl-2-methyl-4-benzoyl-7-ethoxycarbonylimidazo<5,4-g>quinolone-8 (123959-01-3) + ethyl iodide (75-03-6) → 4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester (123959-03-5)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 75 ℃; for 3h;

DOI:10.1007/BF01145804

Reference yield:

1-phenyl-2-methyl-4-benzoyl-5-aminobenzimidazole (89174-94-7) → 4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester (123959-03-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 76 percent / 2.5 h / 90 - 100 °C

2: 50 percent / polyphosphoric acid (PPA) / 3 h / 90 °C

3: 56 percent / K₂CO₃ / dimethylformamide / 3 h / 75 °C

With PPA; Polyphosphoric acid (PPA); potassium carbonate; In N,N-dimethyl-formamide;

DOI:10.1007/BF01145804

Reference yield:

1-phenyl-2-methyl-4-benzoyl-5-benzimidazole (107479-68-5) → 4-Benzoyl-5-ethyl-2-methyl-8-oxo-1-phenyl-5,8-dihydro-1H-imidazo[4,5-g]quinoline-7-carboxylic acid ethyl ester (123959-03-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 50 percent / polyphosphoric acid (PPA) / 3 h / 90 °C

2: 56 percent / K₂CO₃ / dimethylformamide / 3 h / 75 °C

With PPA; Polyphosphoric acid (PPA); potassium carbonate; In N,N-dimethyl-formamide;

DOI:10.1007/BF01145804

upstream raw materials:

1-phenyl-2-methyl-4-benzoyl-7-ethoxycarbonylimidazo<5,4-g>quinolone-8

ethyl iodide

1-phenyl-2-methyl-4-benzoyl-5-aminobenzimidazole

1-phenyl-2-methyl-4-benzoyl-5-benzimidazole

Downstream raw materials:

1-phenyl-2-methyl-4-benzoyl-5-ethylimidazo<5,4-g>quinoline-7-carboxylic acid

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