3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol

Base Information

• Chemical Name: 3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol
• CAS No.: 1420468-71-8
• Molecular Formula: C₂₀H₂₀F₃N₃O₃
• Molecular Weight: 407.392
• Mol file: 1420468-71-8.mol

Synonyms:3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol

Chemical Property of 3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

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Technology Process of 3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol

There total 3 articles about 3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol 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: 25.0%

3-oxo-3-(tetrahydropyran-4-yl)propionic acid ethyl ester (856414-68-1) + 5-amino-4-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-1,2-dihydro-3H-pyrazol-3-one (1420468-70-7) → 3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol (1420468-71-8)

Guidance literature:

With hydrogenchloride; In 1,4-dioxane; ethanol; water; at 110 ℃; for 0.5h; Microwave irradiation;

DOI:10.1021/ml300330m

Reference yield:

methyl-2-cyano-3-[2-methyl-3-(trifluoromethyl)phenyl]propanoate → 3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol (1420468-71-8)

Guidance literature:

Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / 85 °C

2: hydrogenchloride / 1,4-dioxane; ethanol / 0.5 h / 110 °C / Microwave irradiation

With hydrogenchloride; hydrazine hydrate; In 1,4-dioxane; ethanol;

Reference yield:

methyl 2-cyano-3-[2-methyl-3-(trifluoromethyl)phenyl]propanoate → 3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine-2,7-diol (1420468-71-8)

Guidance literature:

Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol; water

2: hydrogenchloride / ethanol; 1,4-dioxane

With hydrogenchloride; hydrazine hydrate; In 1,4-dioxane; ethanol; water;

upstream raw materials:

3-oxo-3-(tetrahydropyran-4-yl)propionic acid ethyl ester

5-amino-4-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-1,2-dihydro-3H-pyrazol-3-one