5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide

Base Information

• Chemical Name: 5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide
• CAS No.: 308321-28-0
• Molecular Formula: C₂₀H₁₅N₅O₂
• Molecular Weight: 357.371

Synonyms:5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide

Chemical Property of 5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide

Chemical Property:

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Technology Process of 5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide

There total 2 articles about 5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide 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: 75.0%

5-diazoimidazole-4-N-phenylcarboxamide (81890-06-4) + β-naphthol (135-19-3) → 5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide (308321-28-0)

Guidance literature:

In acetic acid; at 5 ℃; for 2h;

DOI:10.1007/BF02269547

Reference yield:

5-(2-hydroxy-naphthalen-1-ylazo)-1(3)H-imidazole-4-carboxylic acid amide (97378-14-8) → 5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide (308321-28-0)

Guidance literature:

Multi-step reaction with 2 steps

1: p-toluenesulfonic acid / acetic acid / 12 h / Heating

2: 75 percent / acetic acid / 2 h / 5 °C

With toluene-4-sulfonic acid; In acetic acid; 1: Cyclization / 2: Addition;

DOI:10.1007/BF02269547

Reference yield: 17.0%

5-(2-hydroxy-naphthalen-1-ylazo)-1H-imidazole-4-carboxylic acid phenylamide (308321-28-0) → 3-phenylimidazo<4,5-d>-1,2,3-triazin-4-one (89608-62-8) + β-naphthol (135-19-3) + 11,12,14,16-tetraaza-cyclopenta[a]phenanthrene-17-carboxylic acid phenylamide

Guidance literature:

With toluene-4-sulfonic acid; In acetic acid; for 12h; Heating;

DOI:10.1007/BF02269547

upstream raw materials:

5-diazoimidazole-4-N-phenylcarboxamide

β-naphthol

5-(2-hydroxy-naphthalen-1-ylazo)-1⁽³⁾H-imidazole-4-carboxylic acid amide

Downstream raw materials:

3-phenylimidazo<4,5-d>-1,2,3-triazin-4-one

β-naphthol

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