2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester

Base Information

• Chemical Name: 2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester
• CAS No.: 161468-86-6
• Molecular Formula: C₁₇H₁₆N₂O₅S
• Molecular Weight: 360.39

Synonyms:2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester

Chemical Property of 2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester

Chemical Property:

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Technology Process of 2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester

There total 2 articles about 2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-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: 89.0%

ethyl 2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate (41120-23-4) → 2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester (161468-86-6)

Guidance literature:

With dmap; triethylamine; In tetrahydrofuran;

DOI:10.1021/jo00111a014

Reference yield:

1,3-dihydro-2H-benzimidazol-2-one (615-16-7) → 2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester (161468-86-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 94 percent / K₂CO₃ / acetonitrile / 0.5 h / Heating

2: 89 percent / Et₃N, DMAP / tetrahydrofuran

With dmap; potassium carbonate; triethylamine; In tetrahydrofuran; acetonitrile;

DOI:10.1021/jo00111a014

Reference yield: 95.0%

2-Oxo-3-(toluene-4-sulfonyl)-2,3-dihydro-benzoimidazole-1-carboxylic acid ethyl ester (161468-86-6) → 2,3-dihydro-1-(4-tolylsulfonyl)-1H-benzimidazol-2-one (3968-04-5)

Guidance literature:

With isopropylamine; In tetrahydrofuran; Ambient temperature;

DOI:10.1021/jo00111a014

upstream raw materials:

ethyl 2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate

1,3-dihydro-2H-benzimidazol-2-one

Downstream raw materials:

2,3-dihydro-1-(4-tolylsulfonyl)-1H-benzimidazol-2-one

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