4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone

Base Information

Chemical Name:4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone
CAS No.:1284243-45-3
Molecular Formula:C₂₂H₁₅ClF₄N₆O₂
Molecular Weight:506.847
Hs Code.:

Synonyms:4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone

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Chemical Property of 4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone

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Technology Process of 4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone

There total 7 articles about 4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone 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: 29.0%

: 697305-48-9
1-(4-fluorophenyl)piperazin-2-one hydrochloride

: 1121057-12-2
3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid

: 1284243-45-3
4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone

Guidance literature:: With N-ethyl-N,N-diisopropylamine; HATU; In N,N-dimethyl-formamide; at 20 ℃; for 1h;

Reference yield:

: 79456-34-1
5-bromo-3-(trifluoromethyl)pyridin-2-amine

: 1284243-45-3
4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone

Guidance literature:: Multi-step reaction with 5 steps

1.1: 3 h / 50 °C

2.1: caesium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide / 0.33 h / 80 °C / Inert atmosphere

3.1: N-chloro-succinimide / N,N-dimethyl-formamide / 22 h / 20 - 50 °C

4.1: sodium hydroxide; water / N,N-dimethyl-formamide; tetrahydrofuran / 4 h / 20 °C

4.2: pH 4

5.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 1 h / 20 °C

With N-chloro-succinimide; water; caesium carbonate; N-ethyl-N,N-diisopropylamine; HATU; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N,N-dimethyl-formamide;

Reference yield:

: 1121058-16-9
6-Bromo-8-trifluoromethyl-imidazo[1,2-a]pyridine-2-carboxylic acid methyl ester

: 1284243-45-3
4-{[3-chloro-6-(1H-pyrazol-4-yl)-8-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl]carbonyl}-1-(4-fluorophenyl)-2-piperazinone

Guidance literature:: Multi-step reaction with 4 steps

1.1: caesium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide / 0.33 h / 80 °C / Inert atmosphere

2.1: N-chloro-succinimide / N,N-dimethyl-formamide / 22 h / 20 - 50 °C

3.1: sodium hydroxide; water / N,N-dimethyl-formamide; tetrahydrofuran / 4 h / 20 °C

3.2: pH 4

4.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 1 h / 20 °C

With N-chloro-succinimide; water; caesium carbonate; N-ethyl-N,N-diisopropylamine; HATU; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N,N-dimethyl-formamide;