ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

Base Information

Chemical Name:ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate
CAS No.:1364889-07-5
Molecular Formula:C₁₉H₁₈F₂N₄O₂
Molecular Weight:372.374
Hs Code.:

Synonyms:ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

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Chemical Property of ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

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Technology Process of ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

There total 4 articles about ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate 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:

: 1224944-77-7
5-chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester

: 1364890-03-8
(2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidine

: 1364889-07-5
ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

Guidance literature:: With potassium fluoride; In dimethyl sulfoxide; at 85 ℃; for 8h;

Reference yield:

: 6994-25-8,103259-35-4,19750-02-8
3-amino-4-pyrazolecarboxylic acid ethyl ester

: 1364889-07-5
ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: acetic acid / ethanol / 0.33 h / 140 °C / Microwave irradiation

2.1: trichlorophosphate / 1 h / 100 °C

2.2: Cooling

3.1: potassium fluoride / dimethyl sulfoxide / 8 h / 85 °C

With potassium fluoride; acetic acid; trichlorophosphate; In ethanol; dimethyl sulfoxide;

Reference yield:

: 1364890-00-5
(4R)-tert-butyl 2-(3-fluorophenyl)-4-hydroxypyrrolidine-1-carboxylate

: 1364889-07-5
ethyl 5-((2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: diethylamino-sulfur trifluoride / dichloromethane / -78 - 20 °C / Plastic bottle

2: trifluoroacetic acid / dichloromethane / 2 h / 20 °C

3: potassium fluoride / dimethyl sulfoxide / 8 h / 85 °C

With potassium fluoride; diethylamino-sulfur trifluoride; trifluoroacetic acid; In dichloromethane; dimethyl sulfoxide;