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

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Chemical Name:5-(2-(3-cyano-5-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
CAS No.:1364889-76-8
Molecular Formula:C₁₈H₁₅FN₆O
Molecular Weight:350.355
Hs Code.:

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

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

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

There total 3 articles about 5-(2-(3-cyano-5-fluorophenyl)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:

: 1364890-23-2
tert-butyl 2-(3-cyano-5-fluorophenyl)-2-hydroxypyrrolidine-1-carboxylate

: 1364889-76-8
5-(2-(3-cyano-5-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: trifluoroacetic acid / dichloromethane / 20 °C

1.2: 1 h

2.1: N-ethyl-N,N-diisopropylamine / ethanol / 6 h / 80 °C

With N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; In ethanol; dichloromethane;

Reference yield:

: 179898-34-1
3-bromo-5-fluorobenzonitrile

: 1364889-76-8
5-(2-(3-cyano-5-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: isopropylmagnesium chloride / tetrahydrofuran / 0.5 h / -78 - -20 °C

1.2: 1 h / -78 - 20 °C

1.3: 20 °C

2.1: trifluoroacetic acid / dichloromethane / 20 °C

2.2: 1 h

3.1: N-ethyl-N,N-diisopropylamine / ethanol / 6 h / 80 °C

With isopropylmagnesium chloride; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; In tetrahydrofuran; ethanol; dichloromethane;

Reference yield:

: 926663-00-5
5-hydroxypyrazole[1,5-a]pyrimidine-3-carboxylic acid ethyl ester

: 1364889-76-8
5-(2-(3-cyano-5-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide

Guidance literature:: Multi-step reaction with 4 steps

1: water; lithium hydroxide / 3 h / 20 °C

2: trichlorophosphate / 2 h / Reflux

3: ammonium hydroxide; ammonium chloride / tetrahydrofuran / 0.5 h / 5 - 20 °C

4: N-ethyl-N,N-diisopropylamine / ethanol / 6 h / 80 °C

With ammonium hydroxide; water; ammonium chloride; N-ethyl-N,N-diisopropylamine; lithium hydroxide; trichlorophosphate; In tetrahydrofuran; ethanol;