3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester

Base Information

• Chemical Name: 3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester
• CAS No.: 214914-36-0
• Molecular Formula: C₂₀H₁₆N₄O₂
• Molecular Weight: 344.373

Synonyms:3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester

Chemical Property of 3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester

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Technology Process of 3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester

There total 4 articles about 3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester 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%

methanol (67-56-1) + 1,6-diphenyl-3-methyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid (129227-54-9) → 3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester (214914-36-0)

Guidance literature:

With sulfuric acid; for 5h; Heating;

DOI:10.1016/S0014-827X(98)00014-7

Reference yield:

5-amino-3-methyl-4-nitroso-1-phenylpyrazole (52943-85-8) → 3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester (214914-36-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 77 percent / pyridine / 3 h / Heating

2: 56 percent / NaOH, H₂O / ethanol / 6 h / Heating

3: 75 percent / H₂SO₄ / 5 h / Heating

With pyridine; sodium hydroxide; sulfuric acid; water; In ethanol;

DOI:10.1016/S0014-827X(98)00014-7

Reference yield:

Benzoylacetonitrile (614-16-4) → 3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid methyl ester (214914-36-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 77 percent / pyridine / 3 h / Heating

2: 56 percent / NaOH, H₂O / ethanol / 6 h / Heating

3: 75 percent / H₂SO₄ / 5 h / Heating

With pyridine; sodium hydroxide; sulfuric acid; water; In ethanol;

DOI:10.1016/S0014-827X(98)00014-7

upstream raw materials:

methanol

1,6-diphenyl-3-methyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid

5-amino-3-methyl-4-nitroso-1-phenylpyrazole

Benzoylacetonitrile

Downstream raw materials:

3-methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carbohydrazide

3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazine-5-carbonyl azide

5-(3-Methyl-1,6-diphenyl-1H-pyrazolo[3,4-b]pyrazin-5-yl)-4-phenyl-4H-[1,2,4]triazole-3-thiol

1-Phenyl-4-(1,6-diphenyl-3-methyl-1H-pyrazolo[3,4-b]pyrazin-5-oyl)thiosemicarbazide

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