N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Base Information

Chemical Name:N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
CAS No.:676248-90-1
Molecular Formula:C₁₇H₂₀F₂N₄O
Molecular Weight:334.369
Hs Code.:

Synonyms:N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

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Technology Process of N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

There total 3 articles about N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-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: 63.0%

: 438227-80-6
5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid

: 108-91-8,157973-60-9
cyclohexylamine

: 676248-90-1
N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In N,N-dimethyl-formamide; at 0 - 20 ℃; for 16h; Inert atmosphere;
DOI:10.1021/acsmedchemlett.9b00639

Reference yield:

: 1-cyclopropyl-4,4-difluoro-1,3-butanedione

: 676248-90-1
N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1: acetic acid / 16 h / 110 °C / Sealed tube

2: lithium hydroxide / tetrahydrofuran; water; ethanol / 4 h / 20 °C

3: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 16 h / 0 - 20 °C / Inert atmosphere

With acetic acid; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; lithium hydroxide; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide;
DOI:10.1021/acsmedchemlett.9b00639

Reference yield:

: 512825-94-4
ethyl 5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

: 676248-90-1
N-cyclohexyl-5-cyclopropyl-7-(difluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1: lithium hydroxide / tetrahydrofuran; water; ethanol / 4 h / 20 °C

2: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 16 h / 0 - 20 °C / Inert atmosphere

With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; lithium hydroxide; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide;
DOI:10.1021/acsmedchemlett.9b00639