5-IODO-1-METHYL-1H-PYRAZOLO[3,4-B] PYRIDIN-3-AMINE

Base Information

• Chemical Name: 5-IODO-1-METHYL-1H-PYRAZOLO[3,4-B] PYRIDIN-3-AMINE
• CAS No.: 766515-35-9
• Molecular Formula: C₇H₇IN₄
• Molecular Weight: 274.064
• Hs Code.: 2933990090
• Mol file: 766515-35-9.mol

Synonyms:5-IODO-1-METHYL-1H-PYRAZOLO[3,4-B] PYRIDIN-3-AMINE;1H-Pyrazolo[3,4-b]pyridin-3-aMine, 5-iodo-1-Methyl-

Chemical Property of 5-IODO-1-METHYL-1H-PYRAZOLO[3,4-B] PYRIDIN-3-AMINE

Chemical Property:

• PSA: 56.73000
• Density: 2.24
• LogP: 1.73630

Purity/Quality:

98%,99%, ^*data from raw suppliers

5-Iodo-1-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-IODO-1-METHYL-1H-PYRAZOLO[3,4-B] PYRIDIN-3-AMINE

There total 4 articles about 5-IODO-1-METHYL-1H-PYRAZOLO[3,4-B] PYRIDIN-3-AMINE 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%

methylhydrazine (60-34-4) + 2-chloro-5-iodopyridine-3-carbonitrile (766515-34-8) → 1-methyl-3-amino-5-iodo-1H-pyrazolo[3,4-b]pyridine (766515-35-9)

Guidance literature:

With caesium carbonate; In N,N-dimethyl-formamide; at 60 ℃;

DOI:10.1016/j.tetlet.2004.07.022

Reference yield:

2-hydroxy-3-cyanopyridine (20577-27-9,95907-03-2) → 1-methyl-3-amino-5-iodo-1H-pyrazolo[3,4-b]pyridine (766515-35-9)

Guidance literature:

Multi-step reaction with 3 steps

1: 50 percent / iodine; potassium carbonate / dimethylformamide / 60 °C

2: 80 percent / phosphorus oxychloride / Heating

3: 90 percent / cesium carbonate / dimethylformamide / 60 °C

With iodine; potassium carbonate; caesium carbonate; trichlorophosphate; In N,N-dimethyl-formamide;

DOI:10.1016/j.tetlet.2004.07.022

Reference yield:

2-chloro-3-pyridinecarbonitrile (6602-54-6) → 1-methyl-3-amino-5-iodo-1H-pyrazolo[3,4-b]pyridine (766515-35-9)

Guidance literature:

Multi-step reaction with 4 steps

1: 100 percent / acetic acid / Heating

2: 50 percent / iodine; potassium carbonate / dimethylformamide / 60 °C

3: 80 percent / phosphorus oxychloride / Heating

4: 90 percent / cesium carbonate / dimethylformamide / 60 °C

With iodine; potassium carbonate; caesium carbonate; acetic acid; trichlorophosphate; In N,N-dimethyl-formamide;

DOI:10.1016/j.tetlet.2004.07.022

upstream raw materials:

methylhydrazine

2-chloro-5-iodopyridine-3-carbonitrile

2-hydroxy-3-cyanopyridine

2-chloro-3-pyridinecarbonitrile

Downstream raw materials:

1-methyl-3-(2,2-dimethyl-propionamido)-5-phenylethynyl-1H-pyrazolo[3,4-b]pyridine

(E)-1-methyl-3-(2,2-dimethyl-propionamido)-5-styryl-1H-pyrazolo[3,4-b]pyridine

1-methyl-3-(2,2-dimethyl-propionamido)-5-phenyl-1H-pyrazolo[3,4-b]pyridine

1-methyl-3-iodo-5-phenylethynyl-1H-pyrazolo[3,4-b]pyridine

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