ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate

Base Information

• Chemical Name: ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate
• CAS No.: 1031442-76-8
• Molecular Formula: C₂₁H₁₇BrN₄O₂
• Molecular Weight: 437.296

Synonyms:ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate

Chemical Property of ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate

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Technology Process of ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate

There total 5 articles about ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate 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%

4-bromo-aniline (106-40-1) + 4-chloro-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester (19743-76-1) → ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (1031442-76-8)

Guidance literature:

In N,N-dimethyl-formamide; for 4h; Heating;

DOI:10.1007/s00044-007-9035-6

Reference yield:

1-phenylpyrazol-5-amine (826-85-7) → ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (1031442-76-8)

Guidance literature:

Multi-step reaction with 3 steps

1: phosphoryl chloride

2: 54 percent / dimethylformamide / 4 h / Heating

With trichlorophosphate; In N,N-dimethyl-formamide;

DOI:10.1515/HC.2002.8.1.47

Reference yield:

diethyl 2-ethoxymethylenemalonate (87-13-8) → ethyl 4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (1031442-76-8)

Guidance literature:

Multi-step reaction with 3 steps

1: phosphoryl chloride

2: 54 percent / dimethylformamide / 4 h / Heating

With trichlorophosphate; In N,N-dimethyl-formamide;

DOI:10.1515/HC.2002.8.1.47

upstream raw materials:

4-bromo-aniline

4-chloro-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester

1-phenylpyrazol-5-amine

diethyl{[(1-phenyl-5-pyrazolyl)-amino]methylene} malonate

Downstream raw materials:

4-(4'-bromophenylamino)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid

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