5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid

Base Information

• Chemical Name: 5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid
• CAS No.: 916326-81-3
• Molecular Formula: C8H6BrN3O2
• Molecular Weight: 256.059
• Mol file: 916326-81-3.mol

Synonyms:5-BROMO-1-METHYL-1H-PYRAZOLO[3,4-B]PYRIDINE-3-CARBOXYLIC ACID;

Chemical Property of 5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid

Chemical Property:

• PSA: 68.01000
• LogP: 1.42900

Purity/Quality:

99%, ^*data from raw suppliers

5-Bromo-1-methyl-1H-pyrazolo-[3,4-b]pyridine-3-carboxylicacid 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid

There total 3 articles about 5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid 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%

5-bromo-1methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid methyl ester (916326-80-2) → 5-bromo-1methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid (916326-81-3)

Guidance literature:

With sodium hydroxide; In methanol;

DOI:10.1016/j.bmcl.2007.05.029

Reference yield:

pyrazolo[3,4-b]pyridine-3-carboxylic acid methyl ester (916325-83-2) → 5-bromo-1methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid (916326-81-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 43 percent / Br₂; NaOAc; acetic acid / 115 °C

2: 97 percent / NaH / tetrahydrofuran

3: 90 percent / aq. NaOH / methanol

With sodium hydroxide; bromine; sodium acetate; sodium hydride; acetic acid; In tetrahydrofuran; methanol;

DOI:10.1016/j.bmcl.2007.05.029

Reference yield:

methyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylate (916325-84-3) → 5-bromo-1methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid (916326-81-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 97 percent / NaH / tetrahydrofuran

2: 90 percent / aq. NaOH / methanol

With sodium hydroxide; sodium hydride; In tetrahydrofuran; methanol;

DOI:10.1016/j.bmcl.2007.05.029

upstream raw materials:

5-bromo-1methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid methyl ester

pyrazolo[3,4-b]pyridine-3-carboxylic acid methyl ester

methyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylate

Downstream raw materials:

C₁₆H₁₆O₂N₅Br

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