5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one

Base Information

• Chemical Name: 5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one
• CAS No.: 1447653-91-9
• Molecular Formula: C₁₃H₁₄N₆O
• Molecular Weight: 270.294

Synonyms:5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one

Chemical Property of 5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one

Chemical Property:

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Technology Process of 5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one

There total 3 articles about 5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one 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: 58.6%

ethyl 4-cyano-1-phenethyl-1H-pyrazol-3-ylcarbamate (1447653-85-1) → 5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one (1447653-91-9)

Guidance literature:

With hydrazine hydrate; In ethanol; at 80 ℃; for 6h; Inert atmosphere;

DOI:10.1002/chem.201203291

Reference yield:

2-phenethyl iodide (17376-04-4) → 5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one (1447653-91-9)

Guidance literature:

Multi-step reaction with 3 steps

1: potassium carbonate / N,N-dimethyl-formamide / 100 - 120 °C

2: pyridine; dmap / 0 - 20 °C / Inert atmosphere

3: hydrazine hydrate / ethanol / 6 h / 80 °C / Inert atmosphere

With pyridine; dmap; potassium carbonate; hydrazine hydrate; In ethanol; N,N-dimethyl-formamide;

DOI:10.1002/chem.201203291

Reference yield:

3-amino-4-cyano-1-(β-phenylethyl)pyrazole (159979-72-3) → 5-amino-4-imino-2-phenethyl-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-one (1447653-91-9)

Guidance literature:

Multi-step reaction with 2 steps

1: pyridine; dmap / 0 - 20 °C / Inert atmosphere

2: hydrazine hydrate / ethanol / 6 h / 80 °C / Inert atmosphere

With pyridine; dmap; hydrazine hydrate; In ethanol;

DOI:10.1002/chem.201203291

upstream raw materials:

2-phenethyl iodide

3-amino-4-cyano-1-(β-phenylethyl)pyrazole

ethyl 4-cyano-1-phenethyl-1H-pyrazol-3-ylcarbamate

Downstream raw materials:

C₂₃H₂₈ClN₆ORu⁽¹⁺⁾*Cl^(1-)

C₂₈H₃₈ClN₆ORu⁽¹⁺⁾*Cl^(1-)

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