(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Base Information

Chemical Name:(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
CAS No.:1260840-77-4
Molecular Formula:C₁₇H₁₅F₂N₅O
Molecular Weight:343.336
Hs Code.:

Synonyms:(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

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Chemical Property of (R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

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Technology Process of (R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

There total 7 articles about (R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)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: 96.0%

: 1260845-56-4
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid

: 1260840-77-4
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: With ammonium chloride; 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 20 ℃; for 8h;

Reference yield: 92.0%

: 1260846-28-3
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile

: 1260840-77-4
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: With sulfuric acid; at 20 ℃; for 5h;

Reference yield:

: 399-94-0
2-bromo-1,4-difluorobenzene

: 1260840-77-4
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 5 steps

1.1: sec.-butyllithium; (-)-sparteine / cyclohexane; tert-butyl methyl ether / 3 h / -78 - -70 °C

1.2: 0.5 h / -78 - 20 °C

1.3: 20 °C

2.1: hydrogenchloride / 1,4-dioxane / 2 h / 20 °C

3.1: sodium hydroxide / ethyl acetate; water

4.1: (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate / N,N-dimethyl-formamide / 0.03 h / 20 °C

4.2: 3 h / 20 °C

5.1: sulfuric acid / 5 h / 20 °C

With hydrogenchloride; sulfuric acid; sec.-butyllithium; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; sodium hydroxide; (-)-sparteine; In 1,4-dioxane; tert-butyl methyl ether; cyclohexane; water; ethyl acetate; N,N-dimethyl-formamide;