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

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Chemical Name:5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)-N-((S)-2,3-dihydroxypropyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
CAS No.:1260840-74-1
Molecular Formula:C₂₀H₂₁F₂N₅O₃
Molecular Weight:417.415
Hs Code.:

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

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

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

There total 8 articles about 5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)-N-((S)-2,3-dihydroxypropyl)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: 42.0%

: 61278-21-5,98923-21-8
(S)-3-Amino-1,2-propanediol

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

: 1260840-74-1
5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)-N-((S)-2,3-dihydroxypropyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: With N-ethyl-N,N-diisopropylamine; HATU; In N,N-dimethyl-formamide; at 20 ℃; for 18h; Inert atmosphere; Sealed tube;

Reference yield:

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

: 1260840-74-1
5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)-N-((S)-2,3-dihydroxypropyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 6 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: N-ethyl-N,N-diisopropylamine / butan-1-ol / 15 h / 100 °C

5.1: water; lithium hydroxide / ethanol / 15 h / 90 °C

5.2: pH 1

6.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 18 h / 20 °C / Inert atmosphere; Sealed tube

With hydrogenchloride; water; sec.-butyllithium; N-ethyl-N,N-diisopropylamine; HATU; sodium hydroxide; lithium hydroxide; (-)-sparteine; In 1,4-dioxane; ethanol; tert-butyl methyl ether; cyclohexane; water; ethyl acetate; N,N-dimethyl-formamide; butan-1-ol;

Reference yield:

: 1218935-59-1,1217630-38-0
(R)-(+)-2-(2,5-difluorophenyl)pyrrolidine

: 1260840-74-1
5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)-N-((S)-2,3-dihydroxypropyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: N-ethyl-N,N-diisopropylamine / butan-1-ol / 15 h / 100 °C

2.1: water; lithium hydroxide / ethanol / 15 h / 90 °C

2.2: pH 1

3.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 18 h / 20 °C / Inert atmosphere; Sealed tube

With water; N-ethyl-N,N-diisopropylamine; HATU; lithium hydroxide; In ethanol; N,N-dimethyl-formamide; butan-1-ol;