5-Amino-1-(tetrahydro-2h-pyran-4-yl)-1h-pyrazole-4-carboxamide

Base Information

• Chemical Name: 5-Amino-1-(tetrahydro-2h-pyran-4-yl)-1h-pyrazole-4-carboxamide
• CAS No.: 1082745-50-3
• Molecular Formula: C9H14N4O2
• Molecular Weight: 210.236
• Hs Code.: 2934999090
• Mol file: 1082745-50-3.mol

Synonyms:5-aMino-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxaMide;5-AMino-1-(tetrahydro-pyran-4-yl)-1H-pyrazole-4-carboxylic acid aMide;5-Amino-1-(oxan-4-yl)-1H-pyrazole-4-carboxamide

Chemical Property of 5-Amino-1-(tetrahydro-2h-pyran-4-yl)-1h-pyrazole-4-carboxamide

Chemical Property:

• Boiling Point: 453.4±45.0 °C(Predicted)
• PKA: 15.14±0.50(Predicted)
• PSA: 97.15000
• Density: 1.57±0.1 g/cm3(Predicted)
• LogP: 1.38110
• Storage Temp.: 2-8°C(protect from light)

Purity/Quality:

≥99% ^*data from raw suppliers

5-Amino-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxamide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-Amino-1-(tetrahydro-2h-pyran-4-yl)-1h-pyrazole-4-carboxamide

There total 8 articles about 5-Amino-1-(tetrahydro-2h-pyran-4-yl)-1h-pyrazole-4-carboxamide 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: 65.0%

5-amino-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carbonitrile (1082745-49-0) → 5-amino-1-(tetrahydropyran-4-yl)-1H-pyrazole-4-carboxylic acid amide (1082745-50-3)

Guidance literature:

With ammonia; dihydrogen peroxide; In ethanol; water; at 20 ℃; for 48h; Inert atmosphere;

DOI:10.1021/jm3007799

Reference yield:

1-(tetrahydro-2H-pyran-4-yl)hydrazine dihydrogen chloride → 5-amino-1-(tetrahydropyran-4-yl)-1H-pyrazole-4-carboxylic acid amide (1082745-50-3)

Guidance literature:

Multi-step reaction with 2 steps

1.1: triethylamine / ethanol / 1 h / 0 °C / Inert atmosphere

1.2: 0 - 20 °C / Inert atmosphere; Reflux

2.1: dihydrogen peroxide; ammonia / ethanol; water / 48 h / 20 °C / Inert atmosphere

With ammonia; dihydrogen peroxide; triethylamine; In ethanol; water;

DOI:10.1021/jm3007799

Reference yield:

Tetrahydro-4H-pyran-4-one (29943-42-8,143562-54-3) → 5-amino-1-(tetrahydropyran-4-yl)-1H-pyrazole-4-carboxylic acid amide (1082745-50-3)

Guidance literature:

Multi-step reaction with 4 steps

1.1: methanol / 20 h / 20 °C / Inert atmosphere

1.2: 0.5 h / Inert atmosphere

1.3: 2 h / Inert atmosphere

2.1: hydrogenchloride / methanol; 1,4-dioxane / 20 °C / Inert atmosphere

3.1: triethylamine / ethanol / 1 h / 0 °C / Inert atmosphere

3.2: 0 - 20 °C / Inert atmosphere; Reflux

4.1: dihydrogen peroxide; ammonia / ethanol; water / 48 h / 20 °C / Inert atmosphere

With hydrogenchloride; ammonia; dihydrogen peroxide; triethylamine; In 1,4-dioxane; methanol; ethanol; water;

DOI:10.1021/jm3007799

upstream raw materials:

5-amino-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carbonitrile

Tetrahydro-4H-pyran-4-one

N’-(tetrahydropyran-4-yl)hydrazinecarboxylic acid tert-butyl ester

N’-(tetrahydropyran-4-ylidene)hydrazinecarboxylic acid tert-butyl ester

Downstream raw materials:

6-benzyl-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

6-((3S,4S)-1-benzyl-4-ethylpyrrolidin-3-yl)-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

6-((3S,4S)-1-(2-fluorobenzyl)-4-methylpyrrolidin-3-yl)-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

6-((3S,4S)-1-(3-fluorobenzyl)-4-methylpyrrolidin-3-yl)-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

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