3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole

Base Information

• Chemical Name: 3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole
• CAS No.: 602300-39-0
• Molecular Formula: C₁₇H₁₁N₅OS
• Molecular Weight: 333.373
• Mol file: 602300-39-0.mol

Synonyms:3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole

Chemical Property of 3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole

There total 1 articles about 3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole 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: 51.0%

phenylhydrazine (100-63-0) + 2-methylsulfanyl-4-oxo-4H-pyrimido[2,1-b]benzothiazole-3-carbonitrile (478690-56-1) → 3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole (602300-39-0)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; Heating;

DOI:10.1002/jhet.5570400322

Reference yield: 41.0%

3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole (602300-39-0) → 3-hydroxy-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole (602300-45-8)

Guidance literature:

3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole; With sulfuric acid; sodium nitrite; In water; at 0 - 5 ℃;

With sulfuric acid; In water; Heating;

DOI:10.1002/jhet.5570400322

Reference yield: 36.0%

3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole (602300-39-0) → 3-bromo-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole

Guidance literature:

3-amino-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole; With sulfuric acid; sodium nitrite; In water; at 0 - 5 ℃;

With hydrogen bromide; copper(I) bromide; In water; Heating;

DOI:10.1002/jhet.5570400322

upstream raw materials:

phenylhydrazine

2-methylsulfanyl-4-oxo-4H-pyrimido[2,1-b]benzothiazole-3-carbonitrile

Downstream raw materials:

3-hydroxy-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole

3-iodo-4-oxo-2-phenylpyrazolo[3',4':4,5]pyrimido[2,1-b]benzothiazole